CVE-2026-22355CWE-352

WordPress Simple XML Sitemap plugin <= 1.3 - CSRF to Stored XSS vulnerability

High · published January 22, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
2.8
In the wild
Unconfirmed
What it is

⚡ A sneaky Cross-Site Request Forgery (CSRF) lets attackers inject malicious scripts into Simple XML Sitemap versions up to 1.3 — like leaving a hidden camera in a hotel room! 🔥 Picture a hotel guest checking in with a forged reservation; they get access to all the rooms without anyone questioning them. That's how this CSRF vulnerability works, allowing attackers to slip in and execute harmful scripts without raising alarms. With this vulnerability, an attacker could exploit unsuspecting users, injecting scripts that execute actions in their browsers, steal sensitive information, or perform unwanted actions on their behalf. This could lead to a cascade of security breaches — absolutely devastating for affected users!

Put simply

Picture a hotel guest checking in with a forged reservation; they get access to all the rooms without anyone questioning them. That's how this CSRF vulnerability works, allowing attackers to slip in and execute harmful scripts without raising alarms. This CSRF vulnerability in Simple XML Sitemap allows attackers to perform unauthorized actions by tricking users into executing stored Cross-Site Scripting (XSS), compromising their session and security.

What to do

With this vulnerability, an attacker could exploit unsuspecting users, injecting scripts that execute actions in their browsers, steal sensitive information, or perform unwanted actions on their behalf. This could lead to a cascade of security breaches — absolutely devastating for affected users! To mitigate this risk, update Simple XML Sitemap to version 1.4 or later immediately. Additionally, implement CSRF tokens on forms to ensure that requests are validated and originate from legitimate users. Regularly audit your security practices to stay ahead of potential threats. You've got this! By following these steps, you'll bolster your security and protect your users in no time. 🛡️

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00137 · 2.8th percentile
Weakness
CWE-352 · Cross-Site Request Forgery (CSRF)
Published
2026-01-22T16:52Z
EPSS history
Timeline
  • 22 JAN 16:52Z
    WordPress Simple XML Sitemap plugin <= 1.3 - CSRF to Stored XSS vulnerability
    cvelistv5