CVE-2025-10357 Simple SEO < 2.0.32 - Contributor+ Stored XSS
Contributors can inject malicious scripts via unsanitized parameters in the Simple SEO plugin, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-10357?
CVE-2025-10357 is a medium-severity cross-site scripting vulnerability in Unknown Simple SEO, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Simple SEO WordPress plugin before 2.0.32 does not sanitise and escape some parameters when outputing them in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.
Which versions are affected by CVE-2025-10357?
How do I fix CVE-2025-10357?
No fix has been published for CVE-2025-10357 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-2025-10357 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10357 exists.
Sources
Also known as GHSA-5mhp-3vx5-62cf.