CVE-2026-3251 XSS in Webremium's Mezunum Satiyorum
Stored XSS in Mezunum Satiyorum allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3251?
CVE-2026-3251 is a medium-severity cross-site scripting vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum, published on 10 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum allows Stored XSS.
This issue affects Mezunum Satiyorum: from 1.2.504 through 10072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-79
Which versions are affected by CVE-2026-3251?
How do I fix CVE-2026-3251?
No fix has been published for CVE-2026-3251 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-2026-3251 being exploited?
There is no known exploitation of CVE-2026-3251 in the wild and no public exploit code.
Sources
Also known as GHSA-q58p-r45f-cjqp.