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CVE-2022-29420 WordPress Countdown & Clock plugin <= 2.3.2 - Auth. Stored Cross-Site Scripting (XSS) vulnerability

Medium 5.9 Published Updated

Authenticated attackers can inject malicious scripts via the countdown-builder feature, potentially compromising user sessions and site integrity.

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-2022-29420?

CVE-2022-29420 is a medium-severity cross-site scripting vulnerability in Adam Skaat Countdown & Clock (WordPress plugin), published on 6 May 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Adam Skaat Countdown & Clock (WordPress plugin) countdown-builder allows Stored XSS.This issue affects Countdown & Clock (WordPress plugin): from n/a through 2.3.2.

Weakness: CWE-79

Which versions are affected by CVE-2022-29420?

It affects 1 product.

Products include Edmonsoft Countdown Builder.

How do I fix CVE-2022-29420?

No fix has been published for CVE-2022-29420 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-2022-29420 being exploited?

There is no known exploitation of CVE-2022-29420 in the wild and no public exploit code.

Sources

Also known as GHSA-hqmw-gvh2-3w2v.

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