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WordPress security records

WordPress Vulnerability Listing

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Dataset last synchronized: 2026-08-03 00:31:25 UTC

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7 vulnerability records

MediumCVE-2024-31253

OAuth Server <= 4.3.3 - Open Redirect

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.3.3

Vulnerability type: CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected software, patched versions and attribution

The WP OAuth Server (OAuth Authentication) plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 4.3.3. This is due to insufficient validation on a redirect url. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.3.3

Patched versions: 4.4.0

Researcher credit: Le Ngoc Anh

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
April 5, 2024
CVSS
5.4
MediumCVE-2022-4148

WP OAuth Server <= 4.2.5 - Authenticated (Subscriber+) Arbitrary Client Deletion (wo_ajax_remove_client)

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.2.5

Vulnerability type: CWE-863 Incorrect Authorization

Affected software, patched versions and attribution

The WP OAuth Server plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the wo_ajax_remove_client() function in versions up to, and including, 4.2.5. This makes it possible for authenticated attackers with minimal permissions such as a subscriber to delete arbitrary clients.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.2.5

Patched versions: 4.3.0

Researcher credit: István Márton

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
February 21, 2023
CVSS
4.3
MediumCVE-2022-3894

WP OAuth Server <= 4.2.3 - Cross-Site Request Forgery to Arbitrary Post Deletion (wo_ajax_remove_client)

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.2.3

Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)

Affected software, patched versions and attribution

The WP OAuth Server plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.2.3. This is due to missing or incorrect nonce validation on the wo_ajax_remove_clientfunction. This makes it possible for unauthenticated attackers to delete arbitrary posts, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.2.3

Patched versions: 4.2.5

Researcher credit: István Márton

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
February 21, 2023
CVSS
6.5
Medium

WP OAuth Server (OAuth Authentication) <= 4.2.5 -Cross-Site Request Forgery

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.2.5

Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)

Affected software, patched versions and attribution

The WP OAuth Server plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.2.5. This is due to missing or incorrect nonce validation on several of its AJAX actions like wo_ajax_remove_self_generated_token. This makes it possible for unauthenticated attackers to remove generated tokens for users, via forged request granted they can trick a site user into performing an action such as clicking on a link.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.2.5

Patched versions: 4.3.0

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 26, 2023
CVSS
5.4
HighCVE-2022-3926

WP OAuth Server (OAuth Authentication) <= 4.2.5 - Cross-Site Request Forgery

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.2.5

Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)

Affected software, patched versions and attribution

The WP OAuth Server plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.2.5. This is due to missing nonce validation on one the wo_regenerate_secret() function. This makes it possible for unauthenticated attackers to regenerate client secrets, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.2.5

Patched versions: 4.3.0

Researcher credit: István Márton

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
November 10, 2022
CVSS
8.8
MediumCVE-2022-3892

WP OAuth Server (OAuth Authentication) <= 4.2.1 - Authenticated (Administrator+) Stored Cross-Site Scripting

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: *-4.2.1

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The WP OAuth Server plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the client ID parameter in versions up to, and including, 4.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WP OAuth Server (OAuth Authentication)

Affected versions: *-4.2.1

Patched versions: 4.2.2

Researcher credit: István Márton

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
November 8, 2022
CVSS
5.5
CriticalCVE-2015-9435

WP OAuth Server (OAuth Authentication) < 3.1.5 - Pseudorandom Number Generation

WP OAuth Server (OAuth Authentication): Currently marked unpatched

Affected versions: [*, 3.1.5)

Vulnerability type: CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Affected software, patched versions and attribution

The oauth2-provider plugin before 3.1.5 for WordPress has incorrect generation of random numbers.

WP OAuth Server (OAuth Authentication)

Affected versions: [*, 3.1.5)

Patched versions: 3.1.5

Researcher credit: Mallory Adams

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
August 12, 2015
CVSS
9.8

Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.

Data Source, Attribution and Methodology

Production Feed records are aggregated without claiming discovery, exploitation or infection. Applicable source notices remain attached to individual records. Read the methodology.