{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-104735", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-02T11:51:13.843Z", "datePublished": "2026-10-10T04:26:45.965Z", "dateUpdated": "2026-10-10T04:26:45.965Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-10T04:26:45.965Z" }, "affected": [ { "vendor": "themeisle", "product": "RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator", "versions": [ { "version": "0", "status": "affected", "lessThanOrEqual": "5.2.10", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Feedzy Loop Block Feed URL / RSS in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload is not neutralized at save time because post_content stores only a benign block reference to an external feed URL; the malicious HTML is injected at render time from the attacker-controlled RSS feed title, bypassing any save-time wp_kses filtering." } ], "title": "RSS Aggregator by Feedzy <= 5.2.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via Feedzy Loop Block Feed URL / RSS <title>", "references": [ { "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a15a6cf2-aa7d-454c-83d2-9d74ce4505be?source=cve" }, { "url": "https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.10/includes/gutenberg/feedzy-rss-feeds-loop-block.php#L207" }, { "url": "https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.10/includes/gutenberg/feedzy-rss-feeds-loop-block.php#L262" }, { "url": "https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.10/includes/gutenberg/feedzy-rss-feeds-loop-block.php#L241" }, { "url": "https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.10/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L1758" }, { "url": "https://downloads.wordpress.org/plugin/feedzy-rss-feeds.5.2.11.zip" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM" } } ], "credits": [ { "lang": "en", "type": "finder", "value": "Wordfence PRISM" } ], "timeline": [ { "time": "2026-10-02T12:06:27.000Z", "lang": "en", "value": "Vendor Notified" }, { "time": "2026-10-09T15:41:09.000Z", "lang": "en", "value": "Disclosed" } ] } } }