Medium severity · published Feb 24, 2023
CVE-2023-0585
All in One SEO Pack <= 4.2.9 - Authenticated (Administrator+) Stored Cross-Site Scripting
4.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic · smub
through 4.2.9 · source: vendor
AI
All IN One Seo · Aioseo
through 4.2.9 · source: NVD
Affected product
AI
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
smub
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0585
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0585
Release Notes
https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L624
Release Notes
https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L625
Release Notes
https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L665
Release Notes
https://plugins.trac.wordpress.org/browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Main/Updates.php?v=2829340#L666
Product
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=
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/3db97180-9308-4891-9de9-acefe31d088f?source=cve
More from All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
5.4
CVE-2025-2892
All in One SEO Pack <= 4.8.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Description and Canonical URL
5.4
CVE-2024-3554
All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
5.4
CVE-2023-0586
All in One SEO Pack <= 4.2.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
4.3
CVE-2026-5075
All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data
4.3
CVE-2025-14384
All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.9.2 - Missing Authorization to Authenticated (Contributor+) AI Access Token and Credit Disclosure