{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107757", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-08T19:00:40.411Z", "datePublished": "2026-10-14T07:43:36.794Z", "dateUpdated": "2026-10-14T07:43:36.794Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-14T07:43:36.794Z"}, "affected": [{"vendor": "tigroumeow", "product": "Gallery Custom Links", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.3.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Gallery Custom Links plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name (profile.php) + comment (wp-comments-post.php)' parameter in all versions up to, and including, 2.3.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit requires two coordinated inputs from the same authenticated attacker: an HTML comment payload stored in a comment body (preserved verbatim by WordPress comment kses) and a matching simple_html_dom noise key placed in the attacker's display_name (which survives esc_attr() intact), with substitution occurring after both filters have run during the plugin's default-on output-buffering pass over the full rendered page."}], "title": "Gallery Custom Links <= 2.3.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Comment Author Display Name + Comment HTML Comment Body", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f37a0db8-b13c-4d9f-bc6f-88576f9e3862?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L502"}, {"url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L2112"}, {"url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L2207"}, {"url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/classes/core.php#L215"}, {"url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/classes/core.php#L103"}, {"url": "https://plugins.trac.wordpress.org/changeset/3737485/gallery-custom-links"}, {"url": "https://plugins.trac.wordpress.org/changeset/3737485/gallery-custom-links/trunk/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php"}], "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:H/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 4.9, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "crow"}], "timeline": [{"time": "2026-10-08T19:15:56.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-10-13T19:13:51.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gallery Custom Links", "vendor": "tigroumeow", "versions": [{"lessThanOrEqual": "2.3.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Gallery Custom Links plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name (profile.php) + comment (wp-comments-post.php)' parameter in all versions up to, and including, 2.3.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit requires two coordinated inputs from the same authenticated attacker: an HTML comment payload stored in a comment body (preserved verbatim by WordPress comment kses) and a matching simple_html_dom noise key placed in the attacker's display_name (which survives esc_attr() intact), with substitution occurring after both filters have run during the plugin's default-on output-buffering pass over the full rendered page."}], "id": "CVE-2026-107757", "lastModified": "2026-10-14T08:17:05.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-10-14T08:17:05.040", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/classes/core.php#L103"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/classes/core.php#L215"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L2112"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L2207"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/gallery-custom-links/tags/2.3.3/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php#L502"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3737485/gallery-custom-links"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3737485/gallery-custom-links/trunk/vendor/kub-at/php-simple-html-dom-parser/src/KubAT/PhpSimple/lib/simple_html_dom.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f37a0db8-b13c-4d9f-bc6f-88576f9e3862?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}