CVE-2026-52370 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary JavaScript in victims' browsers via crafted URLs in the O2OA forum posting function.

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-2026-52370?

CVE-2026-52370 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Aug 2026. 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

A reflected cross-site scripting (XSS) vulnerability in the Forum posting function of O2OA v10 allows attackers to execute arbitrary Javascript in the context of the victim's browser via a crafted URL.

Weakness: CWE-79

Which versions are affected by CVE-2026-52370?

How do I fix CVE-2026-52370?

No fix has been published for CVE-2026-52370 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-2026-52370 being exploited?

There is no known exploitation of CVE-2026-52370 in the wild and no public exploit code.

Sources

Also known as GHSA-6whc-fpp2-93j2.

Is CVE-2026-52370 in your software?

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