CVE-2026-84259highCWE-79

CVE-2026-84259: high-severity vulnerability in click5 CRM add-on to WPForms

click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications

Published

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.8epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — click5 CRM add-on to WPForms

In the same product, most dangerous first.