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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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5 vulnerability records

CriticalCVE-2020-36727

Newsletter Manager <= 1.5.1 - Insecure Deserialization

Newsletter Manager: Currently marked unpatched

Affected versions: *-1.5.1

Vulnerability type: CWE-502 Deserialization of Untrusted Data

Affected software, patched versions and attribution

The Newsletter Manager plugin for WordPress is vulnerable to insecure deserialization in versions up to, and including, 1.5.1. This is due to unsanitized input from the 'customFieldsDetails' parameter being passed through a deserialization function. This potentially makes it possible for unauthenticated attackers to inject a serialized PHP object.

Newsletter Manager

Affected versions: *-1.5.1

Patched versions: Not supplied

Researcher credit: Jerome Bruandet

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
December 29, 2020
CVSS
9.8
Medium

Newsletter Manager <= 1.4 - Open Redirect

Newsletter Manager: Currently marked unpatched

Affected versions: *-1.4

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

Affected software, patched versions and attribution

The Newsletter Manager plugin for WordPress is vulnerable to Open Redirect in versions up to, and including, 1.4. This is due to improper validation of the 'appurl' parameter. This makes it possible for unauthenticated attackers to redirect traffic to a potentially malicious arbitrary website.

Newsletter Manager

Affected versions: *-1.4

Patched versions: 1.5

Researcher credit: posix

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
May 18, 2019
CVSS
6.1
HighCVE-2012-6629

Newsletter Manager < 1.4 - Cross-Site Request Forgery

Newsletter Manager: Currently marked unpatched

Affected versions: [*, 1.4)

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

Affected software, patched versions and attribution

Multiple cross-site request forgery (CSRF) vulnerabilities in the Newsletter Manager plugin before 1.4 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) change an email address or (2) conduct script insertion attacks.

Newsletter Manager

Affected versions: [*, 1.4)

Patched versions: 1.4

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
January 16, 2014
CVSS
8.8
MediumCVE-2012-6627

Newsletter Manager < 1.0.2 - Cross-Site Scripting via test_mail.php

Newsletter Manager: Currently marked unpatched

Affected versions: [*, 1.0.2)

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

Affected software, patched versions and attribution

Cross-site scripting (XSS) vulnerability in admin/test_mail.php in the Newsletter Manager plugin before 1.0.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the id parameter.

Newsletter Manager

Affected versions: [*, 1.0.2)

Patched versions: 1.0.2

Researcher credit: Heine Pedersen, Torben Jensen

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
May 15, 2012
CVSS
6.1
MediumCVE-2012-6628

Newsletter Manager < 1.0.2 - Cross-Site Scripting

Newsletter Manager: Currently marked unpatched

Affected versions: [*, 1.0.2)

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

Affected software, patched versions and attribution

Multiple cross-site scripting (XSS) vulnerabilities in the Newsletter Manager plugin before 1.0.2 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) xyz_em_campName to admin/create_campaign.php or (2) admin/edit_campaign.php, (3) xyz_em_email parameter to admin/edit_email.php, (4) xyz_em_exportbatchSize parameter to import_export.php, or (5) pagination limit in the Newsletter Manager options.

Newsletter Manager

Affected versions: [*, 1.0.2)

Patched versions: 1.0.2

Researcher credit: Heine Pedersen, Torben Jensen

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
May 15, 2012
CVSS
6.1

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.