{"id":"CVE-2025-48827","published":"2025-05-27T00:00:00Z","modified":"2025-05-27T18:03:31Z","title":"vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API…","vendor":"vBulletin","product":"vBulletin","tier":"core","eol":null,"affectedVersions":[{"vendor":"vBulletin","product":"vBulletin","versions":[">= 5.0.0, <= 5.7.5",">= 6.0.0, <= 6.0.3"]}],"description":{"text":"vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.","provenance":"source","from":"CVE.org"},"summary":{"text":"The vBulletin product, versions 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3, contains a flaw in its API routing that lets requests bypass the access controls on protected API controller methods, reachable through the /api.php endpoint. An unauthenticated remote attacker with no user interaction can invoke those protected methods, but only when the site runs on PHP 8.1 or later.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:11:37Z"},"cvss":{"score":10,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.75638,"percentile":0.99519,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-05-26","exploitedFirstSeen":"2025-05-26","ransomware":false,"evidence":[{"url":"https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/","date":"2025-05-26"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-48827","date":"2025-05-27"},{"url":"https://isc.sans.edu/diary/rss/32006","date":"2025-06-03"},{"url":"https://cyble.com/blog/weekly-cyble-vulnerability-blog/","date":"2025-06-10"},{"url":"https://falconfeeds.io/blogs/unmasking-handala-iran-cyber-threat-psyops","date":"2025-06-16"},{"url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2025-48827","date":"2025-07-22"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-07-31&host_type=src&vulnerability=cve-2025-48827","date":"2025-07-31"},{"url":"https://cyble.com/blog/vulnerabilities-under-attack/","date":"2025-09-23"},{"url":"https://www.bitsight.com/blog/rondodox-botnet-infrastructure-analysis","date":"2026-03-11"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-07-30&host_type=src&vulnerability=cve-2025-48827","date":"2026-07-30"}],"evidenceTotal":10,"provenance":"source"},"exploited":true,"otx":{"pulseCount":5,"pulses":[{"name":"Public Exploit Released for Patched vBulletin Pre-Auth Code Execution Flaw [The Hacker News]","url":"https://otx.alienvault.com/pulse/6a6da70f3277762e928fe693","created":"2026-08-01"},{"name":"vBulletin CVE-2026-61511 Pre-Auth Template Engine RCE (Public Exploit)","url":"https://otx.alienvault.com/pulse/6a68463a2310c6ff666b151b","created":"2026-07-28"},{"name":"EbeeMar2026 Pt4","url":"https://otx.alienvault.com/pulse/69bbbb60a8390fc9a5e0e715","created":"2026-03-19"},{"name":"RondoDox Botnet: From Zero to 174 Exploited Vulnerabilities","url":"https://otx.alienvault.com/pulse/69b9c7e0a7e0b81724801c7a","created":"2026-03-17"},{"name":"RondoDox Botnet: From Zero to 174 Exploited Vulnerabilities","url":"https://otx.alienvault.com/pulse/69b18f0dc8f031c3594cfcc9","created":"2026-03-11"}],"provenance":"machine"},"cwes":[{"id":"CWE-424","name":"Improper Protection of Alternate Path"}],"references":[{"url":"https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce","tags":[]},{"url":"https://kevintel.com/CVE-2025-48827","tags":[]},{"url":"https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/","tags":["exploit"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2025-28267","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-28267","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":3,"skipped":0,"earliest":"2025-05-29","earliestUrl":"https://github.com/0xgh057r3c0n/CVE-2025-48827","repos":[{"name":"0xgh057r3c0n/CVE-2025-48827","url":"https://github.com/0xgh057r3c0n/CVE-2025-48827","stars":11,"created":"2025-05-29"},{"name":"sh4den/CVE-2025-48827","url":"https://github.com/sh4den/CVE-2025-48827","stars":1,"created":"2025-07-14"},{"name":"wiseep/CVE-2025-48827","url":"https://github.com/wiseep/CVE-2025-48827","stars":0,"created":"2025-05-31"}]},"metasploit":[{"name":"vBulletin replaceAdTemplate Remote Code Execution","module":"exploit/multi/http/vbulletin_replace_ad_template_rce","type":"exploit","disclosureDate":"2025-05-23","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/vbulletin_replace_ad_template_rce.rb"}],"nuclei":[{"id":"CVE-2025-48827","name":"vBulletin 5.0.0-6.0.3 - Authentication Bypass","severity":"critical","path":"http/cves/2025/CVE-2025-48827.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-48827.yaml"}],"first":{"date":"2025-05-23","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/vbulletin_replace_ad_template_rce.rb"},"provenance":"source"},"exploitRefs":["https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/"],"flow":[],"timeline":[{"date":"2025-05-23","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2025-05-29","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/vbulletin_replace_ad_template_rce.rb","provenance":"source"},{"date":"2025-05-26","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/","provenance":"source"},{"date":"2025-05-27","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2025-48827","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":null},"priority":{"score":68.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 522 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.9,"detail":"percentile 0.9952"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 3 PoC-in-GitHub repos; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":1.77,"detail":"5 pulses"},{"name":"CVSS severity","points":7.0,"detail":"base score 10"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}