CVE-2026-4409
The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up to, and including, 240119.
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up to, and including, 240119. This makes it possible for unauthenticated attackers to extract the global key from any public post page, forge authorization keys and manage comment subscription preferences for arbitrary users
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.23% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/templates/user.php#L37
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/utils/stcr_utils.php#L164
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/wp_subscribe_reloaded.php#L1613
- https://www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c3-34062d6d1e3d?source=cve
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.