CVE-2023-0585
All in One SEO Pack <= 4.2.9 - Authenticated (Administrator+) Stored Cross-Site Scripting
CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | smub |
| Product | all in one seo – powerful seo plugin to boost seo rankings & increase traffic |
| Published | Feb 24, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
smub / All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
0 ≤ 4.2.9
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3db97180-9308-4891-9de9-acefe31d088f?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L624 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L625 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L665 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L666 plugins.trac.wordpress.org: 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= wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3db97180-9308-4891-9de9-acefe31d088f
Credits
Marco Wotschka Ivan Kuzymchak