CVE•Published 2026-08-30•Modified 2026-08-31•1 article on news•6 live references•NVD data
CVE-2026-81660
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS percentile
7
Exploit Prediction Scoring System · top 93% of all CVEs
Weaknesses (CWE)
Description
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.
Timeline
Published 2026-08-30
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-81660Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-81660Censys host search filtered to this CVE id.
grep.app
CVE-2026-81660Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-81660GitHub code search for direct mentions.
Google dork
"CVE-2026-81660" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-81660 on GitHub.