Description
The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in versions up to, and including, 4.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with Administrator role or above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Metrics
CVSS 3.1 4.8/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| smub | All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic | <= 4.2.9 |
References
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L624Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L625Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L665Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L666Release Notes
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2859011%40all-in-one-seo-pack%2Ftrunk&old=2847431%40all-in-one-seo-pack%2Ftrunk&sfp_email=&sfph_mail=Product
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3db97180-9308-4891-9de9-acefe31d088f?source=cve
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L624Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L625Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L665Release Notes
- https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L666Release Notes
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2859011%40all-in-one-seo-pack%2Ftrunk&old=2847431%40all-in-one-seo-pack%2Ftrunk&sfp_email=&sfph_mail=Product
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3db97180-9308-4891-9de9-acefe31d088fRelease Notes, Third Party Advisory
Timeline
- Published
- Feb 24, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified