{"id":"CVE-2023-23752","published":"2023-02-16T17:15:10Z","modified":"2026-06-17T05:37:50Z","title":"Joomla! Improper Access Control Vulnerability","vendor":"Joomla!","product":"Joomla!","tier":"core","eol":null,"description":{"text":"An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an improper access check in Joomla!, affecting the webservice endpoints component across the 4.0.0 through 4.2.7 releases. An unauthenticated remote attacker can reach webservice endpoints they should not have access to, with no user interaction or special configuration required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:34Z"},"cvss":{"score":5.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.99809,"percentile":0.99958,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2024-01-08","dueDate":"2024-01-29","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-23752","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-03-08","exploitedFirstSeen":"2023-03-08","ransomware":false,"evidence":[{"url":"https://isc.sans.edu/diary/rss/29614","date":"2023-03-08"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-13&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-13"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-14&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-14"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-15&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-15"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-16&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-16"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-17&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-17"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-18&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-18"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-19&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-19"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-20&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-20"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2023-11-21&host_type=src&vulnerability=cve-2023-23752","date":"2023-11-21"}],"evidenceTotal":867,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html","tags":["Vendor Advisory"]},{"url":"https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Remote unauthenticated access to public-facing web service endpoints","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"An improper access check allows unauthorized access to webservice endpoints","start":56,"end":131}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1005","name":"Data from Local System","tactics":["collection"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthorized access may expose data from endpoints","mappingType":"primary_impact","evidence":[{"from":"description","quote":"An improper access check allows unauthorized access to webservice endpoints","start":56,"end":131}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-27838","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-27838","exploited":true,"exploitedSince":"2024-01-08","provenance":"source"},"exploits":[{"id":51334,"url":"https://www.exploit-db.com/exploits/51334","title":"Joomla! v4.2.8 - Unauthenticated information disclosure","type":"webapps","platform":"php","date":"2023-04-08","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2023-04-08"},"pocGithub":{"count":46,"skipped":3,"earliest":"2023-02-18","earliestUrl":"https://github.com/yusinomy/CVE-2023-23752","repos":[{"name":"Acceis/exploit-CVE-2023-23752","url":"https://github.com/Acceis/exploit-CVE-2023-23752","stars":95,"created":"2023-03-24"},{"name":"Ap0dexMe0/CVE-2023-23752","url":"https://github.com/Ap0dexMe0/CVE-2023-23752","stars":37,"created":"2023-04-09"},{"name":"z3n70/CVE-2023-23752","url":"https://github.com/z3n70/CVE-2023-23752","stars":19,"created":"2023-02-24"},{"name":"keyuan15/CVE-2023-23752","url":"https://github.com/keyuan15/CVE-2023-23752","stars":13,"created":"2023-03-01"},{"name":"gibran-abdillah/CVE-2023-23752","url":"https://github.com/gibran-abdillah/CVE-2023-23752","stars":8,"created":"2023-03-09"}]},"metasploit":[{"name":"Joomla API Improper Access Checks","module":"auxiliary/scanner/http/joomla_api_improper_access_checks","type":"auxiliary","disclosureDate":"2023-02-01","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/joomla_api_improper_access_checks.rb"}],"nuclei":[{"id":"CVE-2023-23752","name":"Joomla! Webservice - Password Disclosure","severity":"medium","path":"http/cves/2023/CVE-2023-23752.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-23752.yaml"}],"first":{"date":"2023-02-01","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/joomla_api_improper_access_checks.rb"},"provenance":"source"},"detections":{"cveRules":[{"title":"Potential CVE-2023-23752 Exploitation Attempt","id":"0e1ebc5a-15d0-4bf6-8199-b2535397433a","level":"high","status":"test","path":"rules-emerging-threats/2023/Exploits/CVE-2023-23752/web_cve_2023_23752_joomla_exploit_attempt.yml","url":"https://github.com/SigmaHQ/sigma/blob/master/rules-emerging-threats/2023/Exploits/CVE-2023-23752/web_cve_2023_23752_joomla_exploit_attempt.yml","techniques":["T1190"]}]},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1005"],"provenance":"ai"}],"timeline":[{"date":"2023-02-01","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2023-02-18, Exploit-DB 2023-04-08","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/joomla_api_improper_access_checks.rb","provenance":"source"},{"date":"2023-02-16","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23752","provenance":"source"},{"date":"2023-03-08","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://isc.sans.edu/diary/rss/29614","provenance":"source"},{"date":"2024-01-08","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-01-08","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-27838","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":326},"priority":{"score":66.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1333 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.99,"detail":"percentile 0.9996"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Exploit-DB entry; 46 PoC-in-GitHub repos; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":3.71,"detail":"base score 5.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}