CVE-2026-18501 UsersWP <= 1.2.69 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Badge Widget Variable Substitution

Medium 6.4 Published Updated

Authenticated attackers can inject arbitrary scripts via Badge Widget Variable Substitution in UsersWP, leading to stored XSS execution on victim pages.

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-2026-18501?

CVE-2026-18501 is a medium-severity cross-site scripting vulnerability in stiofansisland UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP, published on 6 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Badge Widget Variable Substitution in all versions up to, and including, 1.2.69 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2026-18501?

How do I fix CVE-2026-18501?

No fix has been published for CVE-2026-18501 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-2026-18501 being exploited?

There is no known exploitation of CVE-2026-18501 in the wild and no public exploit code.

Sources

Also known as GHSA-36vj-955x-m2pp.

Is CVE-2026-18501 in your software?

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