CVE-2025-51401 Cross-site scripting in n/a

Medium 5.4 Published Updated

Attackers can execute arbitrary scripts via stored XSS in the chat transfer operator name field, potentially compromising user sessions.

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-2025-51401?

CVE-2025-51401 is a medium-severity cross-site scripting vulnerability in n/a, published on 21 Jul 2025. 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 stored cross-site scripting (XSS) vulnerability in the chat transfer function of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the operator name parameter.

Weakness: CWE-79

Which versions are affected by CVE-2025-51401?

It affects 1 product.

Products include Livehelperchat Live Helper Chat.

How do I fix CVE-2025-51401?

No fix has been published for CVE-2025-51401 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-2025-51401 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51401 exists.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-f57q-2vg6-g2qp.

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