CVE-2024-55994 MEDIUM

CVE-2024-55994: WordPress 畅言评论系统 plugin <= 2.0.5 - Broken Access Control vulnerability

Vendor Sohu

Product 畅言评论系统

Weakness CWE-862 · Missing authorization

Published December 16, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in sohu 畅言评论系统 changyan allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects 畅言评论系统: from n/a through <= 2.0.5.

Explanation of Vulnerability in Simple Terms

02Summary

The Sohu Changyuan comment system versions 2.0.5 and earlier lack proper authorization checks, allowing authenticated users to disrupt service availability. An attacker with a valid account can trigger a denial-of-service condition without requiring special privileges or user interaction. The vulnerability affects the system's availability but does not expose or modify data.

What an attacker can do

03Attacker Capabilities

An authenticated user can disrupt the comment system's availability.

Potential impact on your site

04Site Impact

Legitimate users may experience service interruptions or inability to post comments.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account on the site.

Key dates

06Disclosure timeline

December 16, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-55994 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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