---
id: "CVE-2026-110252"
kind: "vulnerability"
aliases: ["CVE-2026-110252"]
title: "WPeMatico RSS Feed Fetcher WordPress plugin: stored XSS through imported feed content"
severity: "medium"
cvss: 5.4
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "self-hosted", "wordpress", "wpematico"]
not_affected_if: ["no-wpematico", "trusted-feeds-only"]
published_at: "2026-10-16T07:17:11+00:00"
first_seen_at: "2026-10-23T21:57:12+00:00"
updated_at: "2026-10-25T04:18:40+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110252", "first_seen_at": "2026-10-23T21:57:12+00:00"}]
---

# WPeMatico RSS Feed Fetcher WordPress plugin: stored XSS through imported feed content

Versions up to and including 2.9 of the WPeMatico RSS Feed Fetcher plugin import RSS item content without the WordPress KSES filter when the campaign's last editor has unfiltered_html, so the stored post keeps raw script. An attacker who controls a feed an administrator subscribed to can make scripts run in the browser of any user who opens the injected imported post.

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

## How to check

- Check the installed WPeMatico version in the WordPress plugins list or in `wp-content/plugins/wpematico/` and see whether it is `2.9` or lower
- Review the WPeMatico campaigns to see whether any feed is subscribed that an outside party could publish to
- unknown

## Fix

- Update the WPeMatico RSS Feed Fetcher plugin to a version later than `2.9`; the sources do not name the fixed version
- unknown

## Timeline

- 2026-10-23T21:57:12+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-110252

## From the sources

The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.9 This is due to the plugin removing WordPress's wp_filter_post_kses filter from content_save_pre immediately before calling wp_insert_post() with RSS feed content, whenever the campaign's last editor had the unfiltered_html capability — a flag the plugin sets automatically for every admin-saved campaign. Imported item content is taken raw from $item->get_content(), only entity-decoded, and stored verbatim in post_content. This makes it possible for unauthenticated attackers, who publish or compromise an RSS feed that an administrator has subscribed a WPeMatico campaign to, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected imported post.

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