{"id":"CVE-2026-100877","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100877","generatedAt":"2026-10-28T03:59:13.894Z","title":"A vulnerability was determined in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be.","description":"A vulnerability was determined in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. Affected by this vulnerability is an unknown functionality of the file registrationform.php. Executing a manipulation of the argument FName/LName/Addrs can lead to cross site scripting. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The vendor was contacted early about this disclosure but did not respond in any way.","published":"2026-09-27T21:17:01.000Z","lastModified":"2026-09-28T15:16:05.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2.1,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79","CWE-94"],"affected":[],"epss":{"score":0.00263,"percentile":0.18087,"date":"2026-10-27","history":[{"date":"2026-09-28","score":0.00263,"percentile":0.16319}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-27T21:17:01.000Z","detail":{"score":"2.1","severity":"LOW","publishedAt":"2026-09-27T21:17:00.923Z"},"summary":"New CVE, low severity (CVSS 2.1)."}],"references":[{"url":"https://github.com/rmsbpro/Advisory/blob/main/registrationform-stored-xss.md","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-100877","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/915444","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410807","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410807/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100877","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}