CVE-2026-115299 Contact Form by Supsystic < 1.11.1 - Arbitrary Plugin Settings Update via CSRF

Medium 5.4 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-115299?

CVE-2026-115299 is a medium-severity vulnerability in Unknown Contact Form by Supsystic, published on 29 Oct 2026.

Official description

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not verify a CSRF nonce before saving its mail settings, allowing an attacker to overwrite the site's outbound mail configuration, including the SMTP server, its credentials and the notification recipient, by tricking a logged-in administrator into visiting a crafted page, which can route the Contact Form by Supsystic WordPress plugin before 1.11.1's contact-form notifications through infrastructure the attacker controls.

Weakness: CWE-352

Which versions are affected by CVE-2026-115299?

How do I fix CVE-2026-115299?

No fix has been published for CVE-2026-115299 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-115299 being exploited?

There is no known exploitation of CVE-2026-115299 in the wild and no public exploit code.

Sources

Also known as GHSA-r32v-cmjq-6cp5.

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