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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Sticky plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `cvmh-sticky` shortcode `readmoretext` attribute in versions up to and including 2.5.6. This is due to insufficient input sanitization and output escaping in the `cvmh_sticky_front_render()` function \u2014 the `readmoretext` attribute value is passed through `apply_filters()` and directly concatenated into the HTML output without any escaping function such as `esc_html()`. 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 a page containing the injected shortcode."}], "id": "CVE-2026-6397", "lastModified": "2026-05-20T13:54:54.890", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-05-20T02:16:37.770", "references": [{"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/sticky/tags/2.5.6/includes/functions.php#L118"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/sticky/tags/2.5.6/includes/shortcode.php#L7"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/sticky/trunk/includes/functions.php#L118"}, {"source": "[email protected]", "url": "https://plugins.trac.wordpress.org/browser/sticky/trunk/includes/shortcode.php#L7"}, {"source": "[email protected]", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/135783c5-8175-4775-a013-f1e2bef04479?source=cve"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "[email protected]", "type": "Primary"}]}

{}