Threat intelligence

Subscribe to Comments <= 2.3.1 - Authenticated (Author+) Stored Cross-Site Scripting

CVE-2026-66706 · subscribe-to-comments

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Subscribe To Comments at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Subscribe to Comments <= 2.3.1 - Authenticated (Author+) Stored Cross-Site Scripting
Affected software: subscribe-to-comments(Plugin)
Affected versions: ≤ 2.3.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66706
Published: 6 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory b83fe2b8-1579-48a6-b288-3b4dd0a1565f). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Subscribe To Comments version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Subscribe To Comments advisoriesBack to catalog