Home/CVE/The wpDiscuz plugin for WordPress is vulnerable to unauthorized modification of data due to a missing authorization chec
CVE

CVE-2023-3869

The wpDiscuz plugin for WordPress is vulnerable to unauthorized modification of data due to a missing authorization chec

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.

MEDIUM · CVSS 5.3 EPSS 0.00221
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-639Authorization Bypass Through User-Controlled Key
CWE-862Missing Authorization
▤

Affected Products & Versions

1
gvectors wpdiscuz<= 7.6.3
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@wordfence.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Oct 2023 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://plugins.trac.wordpress.org/browser/wpdiscuz/trunk/utils/class.WpdiscuzHelperAjax.php#L681Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/b30ac1b0-eae2-4194-bf8e-ae73b4236965?source=cveThird Party Advisory
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