CVE-2026-12157

{"id": "CVE-2026-12157", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-12157", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-22T12:51:49.932223Z"}}], "cvssMetricV31": [{"type": "Secondary", "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}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "wpdevteam", "product": "BetterDocs \u2013 AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "4.5.3"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-19T06:17:01.397", "references": [{"url": "https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.3.12/includes/Editors/BlockEditor/Blocks/CategorySlateLayout.php#L66", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.3.12/includes/Editors/BlockEditor/Blocks/CategorySlateLayout.php#L97", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.5.3/includes/Editors/BlockEditor/Blocks/CategorySlateLayout.php#L66", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/betterdocs/tags/4.5.3/includes/Editors/BlockEditor/Blocks/CategorySlateLayout.php#L97", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3576713%40betterdocs&new=3576713%40betterdocs&sfp_email=&sfph_mail=", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/81f61ef0-b3c7-4c69-bd18-5e5f0ea09abc?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The BetterDocs - Knowledge Base Docs & FAQ Solution for Elementor & Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId attribute of the betterdocs/category-slate-layout Gutenberg block in versions up to, and including, 4.5.3. This is due to insufficient input sanitization and output escaping in the CategorySlateLayout::render() method, which echoes the blockId block attribute directly into an HTML class attribute without esc_attr(). 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": "2026-06-22T16:43:14.450", "sourceIdentifier": "security@wordfence.com"}