CVE-2026-73378highCWE-79

CVE-2026-73378: high-severity vulnerability in supsystic Contact Form by Supsystic

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

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.3%
Unauthenticated Cross Site Scripting (XSS) in Contact Form by Supsystic < 1.10.0 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products
supsystic · Contact Form by Supsystic
Related CVEs — supsystic Contact Form by Supsystic

In the same product, most dangerous first.

CVE-2024-48042CRITICALWordPress Contact Form by Supsystic plugin <= 1.7.28 - Remote Code Execution (RCE) vulnerabilityEPSS 1.1%CVE-2026-73379MEDIUMWordPress Contact Form by Supsystic plugin < 1.10.0 - Bypass Vulnerability vulnerabilityEPSS 0.3%CVE-2024-48046MEDIUMWordPress Contact Form by Supsystic plugin <= 1.7.28 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2025-52753HIGHWordPress Contact Form by Supsystic plugin <= 1.7.36 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%