Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Unauthenticated network XSS needing victim interaction (UI:R), with cross-context script execution (S:C) yielding limited C/I/A impact, matching a reflected/stored XSS profile.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in WPeMatico RSS Feed Fetcher <= 2.8.17 versions.
AnalysisAI
Stored/reflected Cross-Site Scripting in the WPeMatico RSS Feed Fetcher WordPress plugin (versions 2.8.17 and earlier) allows unauthenticated remote attackers to inject malicious script that executes in the browser of a victim who interacts with crafted content. The CVSS:3.1 vector (AV:N/PR:N/UI:R/S:C) indicates network-reachable, no-authentication exploitation with a scope change, meaning injected script can affect the wider WordPress context beyond the vulnerable component. No public exploit identified at time of analysis, and the flaw is not listed in CISA KEV; EPSS data was not provided.
Technical ContextAI
WPeMatico (vendor 'etruel', CPE cpe:2.3:a:etruel:wpematico_rss_feed_fetcher) is a WordPress auto-blogging plugin that fetches RSS/Atom feeds and imports their items into WordPress posts. The vulnerability is CWE-79 (Improper Neutralization of Input During Web Page Generation), the root class for Cross-Site Scripting, where attacker-controllable input is rendered into an HTML page without sufficient output encoding or input sanitization. Because RSS feed fetchers ingest and re-render remote, attacker-influenceable content (feed titles, item bodies, links), a common XSS vector is unsanitized feed data or unsanitized request parameters being echoed into an admin or public page. The scope change (S:C) in the CVSS vector is consistent with script from the plugin's component executing in the broader WordPress site security context.
RemediationAI
Update the WPeMatico RSS Feed Fetcher plugin to the version released after 2.8.17 (the fixed release above 2.8.17 per the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wpematico/vulnerability/wordpress-wpematico-rss-feed-fetcher-plugin-2-8-17-cross-site-scripting-xss-vulnerability); no exact fixed version number was included in the provided data, so confirm the patched release directly from the vendor/Patchstack advisory before deploying. Because a released patched version is not independently confirmed here, treat this as: apply the vendor update as soon as the fixed version is verified. If immediate patching is not possible, compensating controls include placing a Web Application Firewall or virtual patch (Patchstack/Wordfence rules) in front of the site to filter XSS payloads, restricting access to the plugin's admin/settings pages to trusted IPs, and being cautious with untrusted RSS feed sources the plugin ingests; the trade-off is that WAF rules can be bypassed by novel encodings and IP restrictions do not stop payloads delivered through fetched feed content.
More in Wordpress Plugin
View allThe Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1
The Hash Form - Drag & Drop Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing fil
Authentication bypass in the LiteSpeed Cache WordPress plugin (versions prior to 6.5.0.1) allows unauthenticated remote
The Simple File List plugin for WordPress through version 4.2.2 contains an unauthenticated remote code execution vulner
The SureTriggers WordPress plugin through version 1.0.82 contains a privilege escalation vulnerability that allows unaut
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via
The Business Directory Plugin - Easy Listing Directories for WordPress plugin for WordPress is vulnerable to time-based
SQL injection in the NotificationX WordPress plugin (versions up to and including 2.8.2) allows unauthenticated remote a
The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i
The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to union base
The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘hash’ parameter in
Remote code execution in the WP Query Console WordPress plugin (versions up to and including 1.0) by Ajit Bohra allows u
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-41348
GHSA-r6pv-mx9m-vf24