---
id: "CVE-2026-115299"
kind: "vulnerability"
aliases: ["CVE-2026-115299"]
title: "WordPress Contact Form by Supsystic: CSRF lets attacker reroute site mail"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["contact-form", "package", "self-hosted", "wordpress", "wordpress-plugin"]
not_affected_if: ["plugin-not-installed", "plugin-version-1.11.1-or-later"]
published_at: "2026-10-29T06:17:19+00:00"
first_seen_at: "2026-10-29T06:53:13+00:00"
updated_at: "2026-10-29T06:54:43+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-115299", "first_seen_at": "2026-10-29T06:53:13+00:00"}]
---

# WordPress Contact Form by Supsystic: CSRF lets attacker reroute site mail

The Contact Form by Supsystic WordPress plugin before 1.11.1 saves its mail settings without checking a CSRF nonce. An attacker can trick a logged-in administrator into visiting a crafted page that overwrites the SMTP server, its credentials and the notification recipient.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version of the Contact Form by Supsystic plugin in the WordPress admin plugins list; affected if below `1.11.1`.
- Review the plugin's mail settings for an SMTP host or notification recipient you did not set.

## Fix

- Contact Form by Supsystic: move to `1.11.1` or later.

## Timeline

- 2026-10-29T06:53:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-115299

## From the sources

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.

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