CVE-2026-5806 code-projects Easy Blog Site update.php cross site scripting
Remote attackers can inject malicious scripts via the postTitle parameter in update.php, potentially compromising user sessions or executing code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-5806?
CVE-2026-5806 is a medium-severity cross-site scripting vulnerability in code-projects Easy Blog Site, published on 8 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in code-projects Easy Blog Site 1.0. This affects an unknown function of the file /posts/update.php. The manipulation of the argument postTitle leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-5806?
How do I fix CVE-2026-5806?
No fix has been published for CVE-2026-5806 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-2026-5806 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5806 exists.
Sources
Also known as GHSA-fr63-2rfh-2m8c.