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WordPress security records

WordPress Vulnerability Listing

Filter Production Feed records and inspect affected software, version ranges, severity, patch information and source attribution without opening separate UUID pages.

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

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6 vulnerability records

MediumCVE-2024-3644

Newsletter Popup <= 1.2 - Authenticated (Admin+) Stored Cross-Site Scripting

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.2 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. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

Researcher credit: Bob Matyas

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 25, 2024
CVSS
4.4
MediumCVE-2024-3642

Newsletter Popup <= 1.2 - Cross-Site Request Forgery to Subscriber Deletion

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.2. This is due to missing or incorrect nonce validation on the wp_newsletter_show_localrecord page. This makes it possible for unauthenticated attackers to delete subscribers via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

Researcher credit: Bob Matyas

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 25, 2024
CVSS
4.3
HighCVE-2024-3641

Newsletter Popup <= 1.2 - Unauthenticated Stored Cross-Site Scripting

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'nl_data' parameter in all versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

Researcher credit: Bob Matyas

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 25, 2024
CVSS
7.2
MediumCVE-2024-3643

Newsletter Popup <= 1.2 - Cross-Site Request Forgery to List Deletion

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.2. This is due to missing or incorrect nonce validation on the wp_newsletter_show_items page. This makes it possible for unauthenticated attackers to delete lists via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

Researcher credit: Bob Matyas

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 25, 2024
CVSS
4.3
MediumCVE-2023-0766

Newsletter Popup <= 1.2 - Cross-Site Request Forgery to Record Deletion

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.2. This is due to missing or incorrect nonce validation on the wp_newsletter_show_localrecord page. This makes it possible for unauthenticated attackers to delete records via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

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
May 2, 2023
CVSS
4.3
HighCVE-2023-0733

Newsletter Popup <= 1.2 - Unauthenticted Stored Cross-Site Scripting via 'nl_data'

Newsletter Popup: Currently marked unpatched

Affected versions: *-1.2

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

Affected software, patched versions and attribution

The Newsletter Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘nl_data’ parameter in versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Newsletter Popup

Affected versions: *-1.2

Patched versions: Not supplied

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
May 2, 2023
CVSS
7.2

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.