Improper Input Validation in Testimonials Widget Plugin by WordPress
CVE-2026-96533

5.8MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
26 September 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-96533?

The Testimonials Widget plugin for WordPress, up to version 4.0.4, fails to properly validate URLs supplied by users. This oversight allows unauthenticated individuals to manipulate the server into making requests to internal services and accessing the resulting data. As a result, sensitive information may be exposed due to inadequate restrictions on URL fetching, posing a significant security risk.

Affected Version(s)

Testimonials Widget 0 <= 4.0.4

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:
5.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Naiches
WPScan
.