CVE-2023-3869

MEDIUM 5.3

wpDiscuz <= 7.6.3 - Insecure Direct Object Reference to Comment Rating Increase/Decrease

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

The wpDiscuz plugin for WordPress is vulnerable to unauthorized modification of data due to a missing authorization check on the voteOnComment function in versions up to, and including, 7.6.3. This makes it possible for unauthenticated attackers to increase or decrease the rating of a comment.

CWE	CWE-639
Vendor	advancedcoding
Product	comments – wpdiscuz
Published	Oct 20, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

advancedcoding / Comments – wpDiscuz

0 ≤ 7.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/b30ac1b0-eae2-4194-bf8e-ae73b4236965?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpdiscuz/trunk/utils/class.WpdiscuzHelperAjax.php#L681

Credits

Vladislav Pokrovsky