{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4665", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-03-23T17:12:42.424Z", "datePublished": "2026-05-05T03:37:39.054Z", "dateUpdated": "2026-05-05T14:13:17.289Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-05-05T03:37:39.054Z"}, "affected": [{"vendor": "shapedplugin", "product": "Carousel, Slider, Photo Gallery with Lightbox, Video Slider, by WP Carousel", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.7.10", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The WP Carousel Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted fancybox `data-caption` attributes in all versions up to, and including, 2.7.10. This is due to the `fancybox-config.js` script reading the carousel container's `id` attribute directly from the DOM to construct a jQuery selector without sanitization. When a Contributor crafts an HTML block with a malformed carousel container ID (containing characters invalid for jQuery selectors), the custom fancybox configuration throws a JavaScript error and fails to initialize. This causes the bundled fancybox library (v3.5.7) to fall back to its default caption handling, which renders the `data-caption` attribute content as raw HTML. Since WordPress allows `data-*` attributes through `wp_kses_post()`, 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 clicks an image in the crafted carousel lightbox."}], "title": "WP Carousel Free <= 2.7.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-caption' Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e75815a3-2414-47f3-b0c4-e5d3e2cb369d?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-carousel-free/tags/2.7.10/public/js/fancybox-config.js#L3"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-carousel-free/trunk/public/js/fancybox-config.js#L3"}, {"url": "https://plugins.trac.wordpress.org/changeset/3506878/wp-carousel-free/trunk/public/js/fancybox.js"}], "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:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Craig Smith"}], "timeline": [{"time": "2026-03-25T10:41:25.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-05-04T15:01:27.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-05T13:46:57.590436Z", "id": "CVE-2026-4665", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-05T14:13:17.289Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The WP Carousel Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted fancybox `data-caption` attributes in all versions up to, and including, 2.7.10. This is due to the `fancybox-config.js` script reading the carousel container's `id` attribute directly from the DOM to construct a jQuery selector without sanitization. When a Contributor crafts an HTML block with a malformed carousel container ID (containing characters invalid for jQuery selectors), the custom fancybox configuration throws a JavaScript error and fails to initialize. This causes the bundled fancybox library (v3.5.7) to fall back to its default caption handling, which renders the `data-caption` attribute content as raw HTML. Since WordPress allows `data-*` attributes through `wp_kses_post()`, 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 clicks an image in the crafted carousel lightbox."}], "id": "CVE-2026-4665", "lastModified": "2026-05-05T19:08:20.090", "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": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-05-05T04:16:17.687", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-carousel-free/tags/2.7.10/public/js/fancybox-config.js#L3"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-carousel-free/trunk/public/js/fancybox-config.js#L3"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3506878/wp-carousel-free/trunk/public/js/fancybox.js"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e75815a3-2414-47f3-b0c4-e5d3e2cb369d?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

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