CVE-2025-15416 xnx3 wangmarket Add Global Variable save.do cross site scripting

Medium 4.8 Published 1 Jan 2026 Updated 23 Feb 2026

Remote attackers can inject malicious scripts via the Add Global Variable handler in wangmarket, potentially leading to code execution or account takeover.

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-2025-15416?

CVE-2025-15416 is a medium-severity cross-site scripting vulnerability in xnx3 wangmarket, published on 1 Jan 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in xnx3 wangmarket up to 6.4. This affects an unknown function of the file /siteVar/save.do of the component Add Global Variable Handler. The manipulation of the argument Remark/Variable Value results in cross site scripting. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-15416?

It affects 1 product.

Products include Wang.market Wangmarket.

How do I fix CVE-2025-15416?

No fix has been published for CVE-2025-15416 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-2025-15416 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15416 exists.

Sources

Also known as GHSA-p5wf-p25w-3c2h.