CVE-2025-26555 WordPress Debug-Bar-Extender Plugin <= 0.5 - Reflected Cross Site Scripting (XSS) vulnerability
Reflected XSS in Debug-Bar-Extender allows attackers to execute scripts in victim browsers via crafted URLs.
- 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-2025-26555?
CVE-2025-26555 is a high-severity cross-site scripting vulnerability in Thorsten Ott Debug-Bar-Extender, published on 15 Mar 2025. 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Thorsten Ott Debug-Bar-Extender debug-bar-extender allows Reflected XSS.This issue affects Debug-Bar-Extender: from n/a through <= 0.5.
Weakness: CWE-79
Which versions are affected by CVE-2025-26555?
How do I fix CVE-2025-26555?
No fix has been published for CVE-2025-26555 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-2025-26555 being exploited?
There is no known exploitation of CVE-2025-26555 in the wild and no public exploit code.
Sources
Also known as GHSA-37x9-927q-77wg.