CVE-2023-0926 Custom Permalinks <= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting
Authenticated editors can inject arbitrary scripts via tag names in the Custom Permalinks plugin, leading to stored XSS attacks against other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0926?
CVE-2023-0926 is a medium-severity cross-site scripting vulnerability in sasiddiqui Custom Permalinks, published on 24 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.
Weakness: CWE-79
Which versions are affected by CVE-2023-0926?
It affects 1 product.
Products include Samiahmedsiddiqui Custom Permalinks.
How do I fix CVE-2023-0926?
No fix has been published for CVE-2023-0926 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-0926 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0926 exists.
Sources
Also known as GHSA-qhg4-f6mr-54g9.