CVE-2026-31205 Cross-site scripting in n/a
A remote attacker can exploit a Cross-Site Scripting vulnerability in Pluck CMS to escalate privileges via the editpage.php script.
- 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-2026-31205?
CVE-2026-31205 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 May 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Cross Site Scripting vulnerability in Pluck CMS before v.4.7.21dev allows a remote attacker to escalate privileges via the editpage.php and the sanitizePageContent function
Weakness: CWE-79
Which versions are affected by CVE-2026-31205?
How do I fix CVE-2026-31205?
No fix has been published for CVE-2026-31205 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-2026-31205 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-31205 exists.
Sources
Also known as GHSA-5f26-v269-jf8r.