CVE-2026-73378 PUBLISHED

WordPress Contact Form by Supsystic plugin < 1.10.0 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 12.08.2026 Published: 18.08.2026 Updated: 18.08.2026

Unauthenticated Cross Site Scripting (XSS) in Contact Form by Supsystic < 1.10.0 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS Score: 7.1

Product Status

Vendor supsystic
Product Contact Form by Supsystic
Versions Default: unaffected
  • affected from n/a to 1.10.0 (excl.)

Solutions

Update the WordPress Contact Form by Supsystic Plugin to the latest available version (at least 1.10.0).

Credits

  • Asim Alshaya | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

  • CAPEC-592 Stored XSS