Stored Cross-site Scripting in Tarteaucitron.io Plugin for WordPress
CVE-2025-4955

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
18 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4955?

The Tarteaucitron.io plugin for WordPress, prior to version 1.9.5, is susceptible to a stored cross-site scripting vulnerability. This issue arises from improper handling of query parameters derived from YouTube oEmbed URLs, enabling contributors and users with higher roles to inject malicious scripts. If exploited, this vulnerability can impact the integrity of the website and compromise user data.

Affected Version(s)

tarteaucitron.io 0 < 1.9.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Rudloff
WPScan
.
CVE-2025-4955 : Stored Cross-site Scripting in Tarteaucitron.io Plugin for WordPress