{"id":"CVE-2023-54413","state":"PUBLISHED","title":"WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang","description":"WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim's browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12.","publishedAt":"2026-10-22T10:57:35.997Z","updatedAt":"2026-10-22T10:57:35.997Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["OnTheGoSystems WPML Multilingual CMS"],"affected":[{"vendor":"OnTheGoSystems","product":"WPML Multilingual CMS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.6.1","versionType":"custom"}]}],"references":["https://wpml.org/changelog/2023/03/wpml-4-6-1-important-security-update/","https://wpscan.com/vulnerability/b9cc519c-7ec2-42c3-9f42-01e928e12139/","https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wpml-multilingual-cms-xss.yaml","https://www.vulncheck.com/advisories/wpml-multilingual-cms-wordpress-plugin-4.6.1-reflected-xss-via-wp-login-php-wp-lang"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54413.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54413","state":"PUBLISHED","datePublished":"2026-10-22T10:57:35.997Z","dateUpdated":"2026-10-22T10:57:35.997Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T20:25:30.814Z"},"containers":{"cna":{"title":"WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang","descriptions":[{"lang":"en","value":"WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim's browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12."}],"affected":[{"vendor":"OnTheGoSystems","product":"WPML Multilingual CMS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.6.1","versionType":"custom"}]}],"references":[{"url":"https://wpml.org/changelog/2023/03/wpml-4-6-1-important-security-update/","name":"WPML 4.6.1 – Important Security Update","tags":["vendor-advisory"]},{"url":"https://wpscan.com/vulnerability/b9cc519c-7ec2-42c3-9f42-01e928e12139/","name":"WPScan Advisory","tags":["third-party-advisory"]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wpml-multilingual-cms-xss.yaml","name":"Nuclei Template","tags":["technical-description"]},{"url":"https://www.vulncheck.com/advisories/wpml-multilingual-cms-wordpress-plugin-4.6.1-reflected-xss-via-wp-login-php-wp-lang","name":"VulnCheck Advisory: WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-22T10:57:35.997Z"},"datePublic":"2023-03-16T00:00:00.000Z","tags":["x_known-exploited-vulnerability"],"credits":[{"lang":"en","value":"Deepak kumar","type":"finder"},{"lang":"en","value":"0xcharan","type":"finder"},{"lang":"en","value":"The Shadowserver Foundation","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck-kclub"}}}}}