CVE-2026-81660Groundhogg < 4.5.13 - Unauthenticated Stored XSS via Web Form Dropdown/Radio Field
Updated under an hour ago ()
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It affects Unknown Groundhogg — CRM, Newsletters, and Marketing Automation. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Groundhogg — CRM, Newsletters, and Marketing Automation unknown:groundhogg_crm_newsletters_and_marketing_automation (from the name) | before 4.5.13 | CNA record |
References
- https://wpscan.com/vulnerability/cfdb4107-6010-4c29-baf3-3111765f48c2/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.