CVE-2026-91830
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductSubscribe to Comments
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- Subscribe to Comments2.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Subscribe to Comments | v < 2.3.3 | 2.3.3 |
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