Vulnerability · Published Oct 14, 2026 · Assigned by WPScan
CVE-2026-86799Forms < 3.0.2 - Unauthenticated Stored XSS via Form Submission
High 8.8
In plain English
A high-severity cross-site scripting in Forms from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 68.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Forms WordPress plugin before 3.0.2 does not sanitise submitted form values on storage, nor escape them before outputting them on the form submissions screen in the administration dashboard, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of any administrator viewing the submissions.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/75bdda94-06b3-4747-bcd2-903167ac1c00/ exploit, vdb-entry, technical-description