Stored Cross-Site Scripting Vulnerability in Category Posts Widget for WordPress
CVE-2025-1453

4.8MEDIUM

Key Information:

Vendor
WordPress
Status
Category Posts Widget
Vendor
CVE Published:
24 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Category Posts Widget plugin for WordPress prior to version 4.9.20 is susceptible to stored Cross-Site Scripting due to improper sanitization and escaping of certain settings. This flaw allows high privilege users, such as administrators, to potentially execute malicious scripts, even in environments where the unfiltered_html capability is restricted, like in multisite setups. It poses a significant risk as attackers could exploit this vulnerability to manipulate content or carry out further attacks within the WordPress site.

Affected Version(s)

Category Posts Widget 0 < 4.9.20

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.

CVE-2025-1453 - Proof of Concept

References

https://wpscan.com/vulnerability/6bf93a34-a19f-4266-a95d-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dmitrii Ignatyev
WPScan
.