CVE-2021-47914 PHP Melody 3.0 Persistent XSS Vulnerability via Edit Video Parameter

Medium 5.1 Published Updated

Remote attackers can inject malicious scripts via the edit-video parameter, enabling session hijacking and phishing in PHP Melody.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-47914?

CVE-2021-47914 is a medium-severity cross-site scripting vulnerability in PHPSUGAR PHP Melody, published on 1 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

PHP Melody version 3.0 contains a persistent cross-site scripting vulnerability in the edit-video.php submitted parameter that allows remote attackers to inject malicious script code. Attackers can exploit this vulnerability to execute arbitrary JavaScript, potentially leading to session hijacking, persistent phishing, and manipulation of application modules.

Weakness: CWE-79

Which versions are affected by CVE-2021-47914?

It affects 1 product.

Products include Phpsugar Php Melody.

How do I fix CVE-2021-47914?

No fix has been published for CVE-2021-47914 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-2021-47914 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47914 exists.

Sources

Also known as GHSA-34qg-fch7-c5r6.

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