CVE-2025-5940

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-5940
The Osom Blocks – Custom Post Type listing block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘class_name’ parameter in all versions up to, and including, 1.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://plugins.trac.wordpress.org/browser/osomblocks/trunk/blocks/cpt-list/index.php#L171 Product
https://wordpress.org/plugins/osomblocks/#developers Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/54e022df-0dc7-4f60-811d-48a92b723d55?source=cve Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:osompress:osom_blocks:*:*:*:*:*:wordpress:*:*
History

07 Jul 2025, 15:54

Type Values Removed Values Added
First Time Osompress
Osompress osom Blocks
CPE cpe:2.3:a:osompress:osom_blocks:*:*:*:*:*:wordpress:*:*
CVSS v2 : unknown
v3 : 6.4 		v2 : unknown
v3 : 5.4
References () https://www.wordfence.com/threat-intel/vulnerabilities/id/54e022df-0dc7-4f60-811d-48a92b723d55?source=cve - () https://www.wordfence.com/threat-intel/vulnerabilities/id/54e022df-0dc7-4f60-811d-48a92b723d55?source=cve - Third Party Advisory
References () https://plugins.trac.wordpress.org/browser/osomblocks/trunk/blocks/cpt-list/index.php#L171 - () https://plugins.trac.wordpress.org/browser/osomblocks/trunk/blocks/cpt-list/index.php#L171 - Product
References () https://wordpress.org/plugins/osomblocks/#developers - () https://wordpress.org/plugins/osomblocks/#developers - Product

27 Jun 2025, 08:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-06-27 08:15

Updated : 2025-07-07 15:54

NVD link : CVE-2025-5940

Mitre link : CVE-2025-5940

JSON object : View

Products Affected

osompress

  • osom_blocks
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')