CVE-2026-22355 WordPress Simple XML Sitemap plugin <= 1.3 - CSRF to Stored XSS vulnerability
Attackers can inject malicious scripts via CSRF, leading to stored XSS and potential account takeover in WordPress Simple XML Sitemap.
- 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-2026-22355?
CVE-2026-22355 is a high-severity cross-site scripting vulnerability in gregmolnar Simple XML Sitemap, published on 22 Jan 2026. 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
Cross-Site Request Forgery (CSRF) vulnerability in gregmolnar Simple XML Sitemap simple-xml-sitemap allows Stored XSS.This issue affects Simple XML Sitemap: from n/a through <= 1.3.
Weakness: CWE-352
Which versions are affected by CVE-2026-22355?
How do I fix CVE-2026-22355?
No fix has been published for CVE-2026-22355 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-2026-22355 being exploited?
There is no known exploitation of CVE-2026-22355 in the wild and no public exploit code.
Sources
Also known as GHSA-jfcc-c4r2-57h6.