Medium severity · published Aug 6, 2026
CVE-2026-66706
WordPress Subscribe to Comments plugin <= 2.3.1 - Cross Site Scripting (XSS) vulnerability
5.9
CVSS
0.2%
EPSS
No
On KEV
Description
Author Cross Site Scripting (XSS) in Subscribe to Comments <= 2.3.1 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
Subscribe to Comments · Mark Jaquith
through 2.3.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66706
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66706
patchstack.com
https://patchstack.com/database/wordpress/plugin/subscribe-to-comments/vulnerability/wordpress-subscribe-to-comments-plugin-2-3-1-cross-site-scripting-xss-vulnerability?_s_id=cve