Vulnerabilities / Subscribe to Comments / WPSEC-2026-0602
Subscribe to Comments <= 2.3.2 - Authenticated (Subscriber+) Incorrect Authorization to Subscription Takeover via Unverified Account Email
Medium 5.4
CWE-863Fixed in 2.3.3
- ID
- WPSEC-2026-0602
- Plugin
- Subscribe to Comments (subscribe-to-comments)
- Affected
- all versions before 2.3.3
- Remediation
- Update to 2.3.3 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weakness
- CWE-863
- Usage
- Plugin Low · Affected versions None seen among sites WPSec scans, 2026-10-07
- Attack surface
- Subscribe to Comments on WPSec AttackSurface
- Fix released
- Published
Description
The Subscribe to Comments plugin for WordPress is vulnerable to Incorrect Authorization in all versions up to, and including, 2.3.2 due to the plugin treating a user's unverified account e-mail address as proof of ownership of that address. This makes it possible for authenticated attackers, with Subscriber-level access and above, to obtain the subscription-management link of another person's e-mail address and manage that person's comment subscriptions.
References
- https://wpsec.com/vuln/WPSEC-2026-0602/
- https://plugins.svn.wordpress.org/subscribe-to-comments/tags/2.3.3/
- https://wordpress.org/plugins/subscribe-to-comments/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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