CVE-2026-1216 RSS Aggregator <= 5.0.10 - Reflected Cross-Site Scripting via 'template' Parameter
Unauthenticated attackers can inject arbitrary web scripts via the template parameter, requiring user interaction to execute.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1216?
CVE-2026-1216 is a high-severity cross-site scripting vulnerability in rebelcode RSS Aggregator – RSS Import, News Feeds, Feed to Post, and Autoblogging, published on 17 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The RSS Aggregator plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'template' parameter in all versions up to, and including, 5.0.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Weakness: CWE-79
Which versions are affected by CVE-2026-1216?
How do I fix CVE-2026-1216?
No fix has been published for CVE-2026-1216 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-2026-1216 being exploited?
There is no known exploitation of CVE-2026-1216 in the wild and no public exploit code.
Sources
Also known as GHSA-cw54-4j6f-m898.