CVE-2024-6517 Contact Form 7 Math Captcha <= 2.0.1 - Reflected XSS

Medium 6.1 Published Updated

Reflected XSS in Contact Form 7 Math Captcha allows attackers to execute scripts against high-privilege users via unsanitized parameters.

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-2024-6517?

CVE-2024-6517 is a medium-severity cross-site scripting vulnerability in Unknown Contact Form 7 Math Captcha, published on 26 Sep 2024. 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

The Contact Form 7 Math Captcha WordPress plugin through 2.0.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users.

Weakness: CWE-79

Which versions are affected by CVE-2024-6517?

It affects 1 product.

Products include Dotsquares Contact Form 7 Math Captcha.

How do I fix CVE-2024-6517?

No fix has been published for CVE-2024-6517 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-2024-6517 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6517 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-gv8g-hw9g-385h.

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