{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-5577", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2023-10-13T16:56:51.074Z", "datePublished": "2023-11-07T11:31:06.058Z", "dateUpdated": "2026-04-08T16:45:08.364Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:45:08.364Z"}, "affected": [{"vendor": "bitlydeveloper", "product": "Bitly's WordPress Plugin", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.7.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Bitly's plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpbitly' shortcode in all versions up to, and including, 2.7.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "title": "Bitly's WordPress Plugin <= 2.7.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31522e54-f260-46d0-8d57-2d46af7d3450?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/wp-bitly/trunk/includes/class-wp-bitly-shortlink.php?rev=2767772#L238"}, {"url": "https://plugins.trac.wordpress.org/changeset/3018826/wp-bitly#file22"}], "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": "Istv\u00e1n M\u00e1rton"}], "timeline": [{"time": "2023-10-13T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2023-10-13T00:00:00.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2023-11-06T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:07:31.685Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31522e54-f260-46d0-8d57-2d46af7d3450?source=cve", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/wp-bitly/trunk/includes/class-wp-bitly-shortlink.php?rev=2767772#L238", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bitly:bitly:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "AB02BA68-5D07-4B6B-8755-187658438E66", "versionEndIncluding": "2.7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Bitly's plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpbitly' shortcode in all versions up to, and including, 2.7.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El complemento Bitly para WordPress es vulnerable a Cross-Site Scripting (XSS) Almacenado a trav\u00e9s del shortcode 'wpbitly' del complemento en todas las versiones hasta la 2.7.1 incluida debido a una sanitizaci\u00f3n de entrada y a un escape de salida en los atributos proporcionados por el usuario insuficientes. Esto hace posible que atacantes autenticados con permisos de nivel de colaborador y superiores inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."}], "id": "CVE-2023-5577", "lastModified": "2026-04-08T17:17:09.090", "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": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-07T12:15:12.977", "references": [{"source": "security@wordfence.com", "tags": ["Issue Tracking"], "url": "https://plugins.trac.wordpress.org/browser/wp-bitly/trunk/includes/class-wp-bitly-shortlink.php?rev=2767772#L238"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3018826/wp-bitly#file22"}, {"source": "security@wordfence.com", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31522e54-f260-46d0-8d57-2d46af7d3450?source=cve"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://plugins.trac.wordpress.org/browser/wp-bitly/trunk/includes/class-wp-bitly-shortlink.php?rev=2767772#L238"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/31522e54-f260-46d0-8d57-2d46af7d3450?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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