{"id":"CVE-2021-3298","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-3298","generatedAt":"2026-10-27T22:32:07.693Z","title":"Collabtive 3.1 allows XSS when an authenticated user enters an XSS payload into the address section of the profile edit page, aka the manageuser.php?action=edit address1 parameter.","description":"Collabtive 3.1 allows XSS when an authenticated user enters an XSS payload into the address section of the profile edit page, aka the manageuser.php?action=edit address1 parameter.","published":"2021-01-29T06:15:14.000Z","lastModified":"2026-06-17T04:04:54.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["o-dyn/collabtive"],"epss":{"score":0.02171,"percentile":0.82161,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-01-25","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49468,"kind":"exploit","title":"Collabtive 3.1 - 'address' Persistent Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/49468","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/49468.txt","file":"exploits/php/webapps/49468.txt","published":"2021-01-25","added":"2021-01-25","updated":"2021-01-29","author":"Deha Berkin Bir","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2021-3298"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 2.2%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"https://collabtive.o-dyn.de/forum/viewforum.php?f=6","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/49468","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://collabtive.o-dyn.de/forum/viewforum.php?f=6","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/49468","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3298","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."}