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CVE-2026-110252

5.4 · MEDIUM

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_…

Published Oct 16, 2026CWE-79EPSS 0.29%

Overview

CVE-2026-110252 is a medium-severity vulnerability. It was published on October 16, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/etruel/wpematico/commit/44c4894a0ad92a711c534ad4d822c0b5d7c3dffeRefplugins.trac.wordpress.org/browser/wpematico/tags/2.9/includes/campaign_fetch.php#L400Refplugins.trac.wordpress.org/browser/wpematico/tags/2.9/includes/campaign_fetch.php#L773Refplugins.trac.wordpress.org/browser/wpematico/tags/2.9/includes/campaign_fetch.php#L777Refplugins.trac.wordpress.org/browser/wpematico/tags/2.9/includes/wpematico_functions.php#L3226Refplugins.trac.wordpress.org/browser/wpematico/tags/2.9/includes/wpematico_functions.php#L3326Refplugins.trac.wordpress.org/changeset/3747465/wpematico/trunk/includes/campaign_fetch.phpRefwww.wordfence.com/threat-intel/vulnerabilities/id/e87fc1bf-af05-4089-a164-8a2e73c68e8c?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-110252?

CVE-2026-110252 is a medium-severity vulnerability. It was published on October 16, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-110252?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-110252?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-110252?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-110252 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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