wpDiscuz <= 7.6.3 — Insecure Direct Object Reference to Comment Rating Increase/Decrease
CVE-2023-3869Published · Updated Action summary
Affected: ≤7.6.3Update to 7.6.4 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Comments – wpDiscuz wpdiscuz
- Affected≤ 7.6.3
- Patched in7.6.4
Update to 7.6.4 or newer.
You are affected if you run ≤ 7.6.3. Version 7.6.4 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Comments – wpDiscuz.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 7.6.4, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Comments – wpDiscuz to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to R3N0.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Comments – wpDiscuz
All 28| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤7.6.73Update to 7.6.74 | CVE-2026-119366 | |
| High7.5 | Unauthenticated SQL Injection <7.6.66Update to 7.6.66 | CVE-2026-19704 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via 'Website' Field ≤7.6.56Update to 7.6.57 | CVE-2026-9148 | |
| Medium4.4 | Authenticated (Admin+) Stored Cross-Site Scripting ≤7.6.46Update to 7.6.47 | CVE-2026-22209 | |
| Medium5.3 | Unauthenticated Insecure Direct Object Reference ≤7.6.42Update to 7.6.44 | CVE-2025-68997 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤7.6.73Update to 7.6.74
- High7.5Unauthenticated SQL Injection
<7.6.66Update to 7.6.66
- High7.2Unauthenticated Stored Cross-Site Scripting via 'Website' Field
≤7.6.56Update to 7.6.57
- Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤7.6.46Update to 7.6.47
- Medium5.3Unauthenticated Insecure Direct Object Reference
≤7.6.42Update to 7.6.44
Timeline
CVE published
Severity medium, CVSS 5.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.