CVEssupsysticCVE-2026-73378Published Aug 18, 14:00 · Updated Aug 18, 14:38 UTC
7.1
HighCVSS 3.1 · from Patchstack
CVE-2026-73378

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

contact-form-by-supsystic · Cross-site scripting · CWE-79
Affectedcontact-form-by-supsystic
FixUpdate to 1.10.0 or newer
PublishedAug 18, 14:00 · Patchstack
ScoredAug 18 · 7.1 · Patchstack
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:11 UTC

What we know

No known exploitation. CISA KEV, checked 22:11 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker only needs network access to the target. No login needed. CVSS: network, no privileges.
Someone has to open, click or run something first. CVSS: user interaction required.

Description

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

From Patchstack

Affected and fixed versions

ProductAffectedFixed incontact-form-by-supsysticfrom n/a1.10.0

Exploit code

Exploit-DBnone knownMetasploitnone knownNucleinone known

References

patchstack.com/database/wordpress/plugin/contact-form-by-supsystic/vulnerability/wordpress-contact-form-by-supsystic-plugin-1-10-0-cross-site-scripting-xss-vulnerability?_s_id=cve · patchstack.comvdb entry

Other CVEs in contact-form-by-supsystic

All 7 →
7.5WordPress Contact Form by Supsystic plugin <= 1.10.5 - Sensitive Data Exposure vulnerability · CVE-2026-115591Oct 285.3WordPress Contact Form by Supsystic plugin <= 1.10.7 - Broken Access Control vulnerability · CVE-2026-115595Oct 266.5WordPress Contact Form by Supsystic plugin < 1.10.0 - Bypass Vulnerability vulnerability · CVE-2026-73379Aug 18