Reflected Cross-Site Scripting Flaw in Download HTML TinyMCE Button Plugin by WordPress
CVE-2025-1286

6.1MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
15 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-1286?

A security vulnerability exists in the Download HTML TinyMCE Button plugin for WordPress, where the plugin fails to adequately sanitize and escape a parameter prior to rendering it on the webpage. This oversight allows attackers to exploit reflected cross-site scripting, potentially harming users with elevated privileges, including administrative users. This vulnerability underscores the importance of stringent input validation measures to prevent unauthorized script execution within web applications.

Affected Version(s)

Download HTML TinyMCE Button 0 <= 1.2

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

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hassan Khan Yusufzai - Splint3r7
WPScan
.