CVE-2026-89005 WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Stored XSS via Word to Category
Contributors can inject malicious scripts into campaign fields, leading to session hijacking of higher-privileged users viewing the campaign.
- 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-2026-89005?
CVE-2026-89005 is a medium-severity cross-site scripting vulnerability in Unknown WPeMatico RSS Feed Fetcher, published on 24 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.26 does not sanitise and escape one of its campaign configuration fields when a certain feature is enabled, which allows users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute in the session of any higher-privileged user who later views the campaign.
Weakness: CWE-79
Which versions are affected by CVE-2026-89005?
How do I fix CVE-2026-89005?
No fix has been published for CVE-2026-89005 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-2026-89005 being exploited?
There is no known exploitation of CVE-2026-89005 in the wild and no public exploit code.
Sources
Also known as GHSA-gw77-m839-mhwc.