Disqus Comment System < 2.76 — Remote Code Execution
c7476f2c-c32f-4ff7-ad32-70cf68387342Published · Updated Action summary
Affected: <2.76Update to 2.76 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Disqus Comment System disqus-comment-system
- Affected< 2.76
- Patched in2.76
Update to 2.76 or newer.
You are affected if you run < 2.76. Version 2.76 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Disqus Comment System.
- 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 2.76, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Disqus Comment System to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Marc-Alexandre Montpas.
The Disqus Comment System plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.75 via the 'getNextToken()' function that parsed user supplied data through the eval() function. This allows unauthenticated attackers to execute code on the server.
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 Disqus Comment System
All 5| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.3 | Multiple Cross-Site Request Forgery <2.79Update to 2.79 | CVE-2014-5346 | |
| Medium5.4 | Cross-Site Request Forgery <2.76Update to 2.76 | CVE-2014-5347 | |
| Medium6.1 | Reflected Cross-Site Scripting <2.76Update to 2.76 | CVE-2014-5345 | |
| High7.1 | Reflected Cross-Site Scripting <2.68Update to 2.68 | — |
- Medium6.3Multiple Cross-Site Request Forgery
<2.79Update to 2.79
- Medium5.4Cross-Site Request Forgery
<2.76Update to 2.76
- Medium6.1Reflected Cross-Site Scripting
<2.76Update to 2.76
- High7.1Reflected Cross-Site Scripting
<2.68Update to 2.68
Timeline
CVE published
Severity critical, CVSS 9.8
Record last updated
Sources & licenses
- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- 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.