CVE-2026-73358 WordPress Affiliates Manager plugin <= 2.9.53 - Cross Site Scripting (XSS) vulnerability

High 7.1 Published Updated

Unauthenticated attackers can inject malicious scripts into the Affiliates Manager plugin, potentially compromising user sessions or site integrity.

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-2026-73358?

CVE-2026-73358 is a high-severity cross-site scripting vulnerability in wp.insider Affiliates Manager, published on 18 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

Unauthenticated Cross Site Scripting (XSS) in Affiliates Manager <= 2.9.53 versions.

Weakness: CWE-79

Which versions are affected by CVE-2026-73358?

How do I fix CVE-2026-73358?

No fix has been published for CVE-2026-73358 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-2026-73358 being exploited?

There is no known exploitation of CVE-2026-73358 in the wild and no public exploit code.

Sources

Also known as GHSA-mvhw-5q9j-54qx.

Is CVE-2026-73358 in your software?

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