Vulnerability · Published Oct 16, 2026 · Assigned by WPScan
CVE-2026-91830Subscribe to Comments < 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie
Medium 6.5
In plain English
A medium-severity information exposure in Subscribe to Comments from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 92.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Subscribe to Comments | 0 – before 2.3.3 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1/ exploit, vdb-entry, technical-description