CVE-2025-13958 YaMaps < 0.6.40 - Contributor+ Stored XSS
Contributors can inject malicious scripts via unescaped shortcode attributes in YaMaps, leading to stored XSS attacks on WordPress sites.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13958?
CVE-2025-13958 is a medium-severity cross-site scripting vulnerability in Unknown YaMaps for WordPress Plugin, published on 29 Dec 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The YaMaps for WordPress Plugin WordPress plugin before 0.6.40 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Which versions are affected by CVE-2025-13958?
How do I fix CVE-2025-13958?
No fix has been published for CVE-2025-13958 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-2025-13958 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-13958 exists.
Sources
Also known as GHSA-mfq8-ww9j-9c8g.