Comments – wpDiscuz < 7.6.40 - Unauthenticated Account Takeover
Priority MEDIUM 63Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Comments WordPress plugin before 7.6.40 does not properly validate user's identity when using the disqus.com provider, allowing an attacker to log in to any user (when knowing their email address) when such user does not have an account on disqus.com yet.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00263 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Comments (Unknown): 7.6.40
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Comments | before 7.6.40 | 7.6.40 | Patch available | CNA |
- Comments VendorUnknown Affected before 7.6.40 Fixed in 7.6.40 Patch available CNA
Remediation
- Fix · CNA Comments (Unknown) Fixed in 7.6.40
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13820
- 2026-10-03 Alias added: GHSA-77g2-3gj2-8h4q
References
Sources
- CVE-2025-13820 · CVE Program
- CVE-2025-13820 · NVD
- FIRST EPSS
- GHSA-77g2-3gj2-8h4q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences