CVE-2026-81660: high-severity vulnerability in Groundhogg — CRM, Newsletters, and Marketing…
Groundhogg < 4.5.13 - Unauthenticated Stored XSS via Web Form Dropdown/Radio Field
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.8epss 0.5%
The Groundhogg — CRM, Newsletters, and Marketing Automation WordPress plugin before 4.5.13 does not validate or escape values submitted to some optional web form fields before storing them and outputting them back in an administrative area, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · Groundhogg — CRM, Newsletters, and Marketing Automationpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/cfdb4107-6010-4c29-baf3-3111765f48c2/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Groundhogg — CRM, Newsletters, and Marketing…
In the same product, most dangerous first.