---
id: "CVE-2026-121768"
page: "https://infrastack.ai/live/CVE-2026-121768"
kind: "vulnerability"
aliases: ["CVE-2026-121768"]
title: "Contact Form 7 Post Fields plugin: stored XSS through version 2.6.0"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["cf7-post-fields", "contact-form-7", "runtime", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-07T09:17:13+00:00"
first_seen_at: "2026-11-07T09:46:24+00:00"
updated_at: "2026-11-07T09:47:51+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121768", "first_seen_at": "2026-11-07T09:46:24+00:00"}]
exploit_sources: []
---

# Contact Form 7 Post Fields plugin: stored XSS through version 2.6.0

Link for people: https://infrastack.ai/live/CVE-2026-121768 (this .md is for agents)

The Contact Form 7 Post Fields WordPress plugin (cf7-post-fields) fails to neutralize input when generating web pages, enabling stored cross-site scripting. An attacker can plant script that runs in the browser of other visitors or site administrators.

_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 7 – Post Fields plugin (cf7-post-fields) in the WordPress admin plugin list, or with `wp plugin get cf7-post-fields --field=version`
- Confirm whether the installed version is `2.6.0` or earlier

## Timeline

- 2026-11-07T09:46:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121768

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Markus Wiesenhofer Contact Form 7 – Post Fields cf7-post-fields allows Stored XSS.This issue affects Contact Form 7 – Post Fields: from n/a through 2.6.0.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_