Gallery Blocks with Lightbox < 3.0.8 - Subscriber+ Arbitrary Options Update
CVE-2023-0441

8.1HIGH

Key Information:

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Gallery Blocks with Lightbox plugin for WordPress allows authenticated users, including those with subscriber roles, to access an AJAX endpoint that exposes significant security vulnerabilities. This functionality could potentially enable unauthorized actions, including reading and modifying WordPress option settings. Notably, it could facilitate the activation of user registration through a default administrator role, compromising site security.

Affected Version(s)

Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery 0 < 3.0.8

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:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dc11
WPScan
.