CVE-2026-89002 WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Stored XSS via Campaign Item Preview
Contributors can inject malicious scripts via RSS feed content, leading to stored XSS attacks against higher-privileged users reviewing campaigns.
- 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-2026-89002?
CVE-2026-89002 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 sanitize and escape content it retrieves from a user-supplied source before rendering it, which could allow users such as contributors to perform Stored Cross-Site Scripting attacks against higher-privileged users who review the campaign.
Weakness: CWE-79
Which versions are affected by CVE-2026-89002?
How do I fix CVE-2026-89002?
No fix has been published for CVE-2026-89002 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-2026-89002 being exploited?
There is no known exploitation of CVE-2026-89002 in the wild and no public exploit code.
Sources
Also known as GHSA-r5xh-cv7p-cchm.