CVE-2026-5717

{"id": "CVE-2026-5717", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "security@wordfence.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.1}]}, "published": "2026-04-15T09:16:33.527", "references": [{"url": "https://plugins.trac.wordpress.org/browser/vi-include-post-by/tags/0.4.200706/vi_include_post_by.php#L809", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/vi-include-post-by/trunk/vi_include_post_by.php#L809", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b3e95dc2-0f50-4009-9cc0-a02f9977ce58?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The VI: Include Post By plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class_container' attribute of the 'include-post-by-cat' shortcode in all versions up to, and including, 0.4.200706 due to insufficient input sanitization and output escaping on user supplied attributes. 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."}], "lastModified": "2026-04-22T20:23:16.350", "sourceIdentifier": "security@wordfence.com"}