{"id":"CVE-2020-5842","aliases":["EUVD-2020-26996","GHSA-p258-72gh-7cxv"],"status":"published","title":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php...","description":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01816,"percentile":0.78845,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2020-01-07T19:17:55Z","modified":"2026-06-17T03:22:19Z","exploits":[{"source":"pocgithub","id":"prasanthc41m/codoforum","title":"prasanthc41m/codoforum","date":"2022-02-09","url":"https://github.com/prasanthc41m/codoforum"}],"products":[{"vendor":"codologic","product":"codoforum"}],"references":[{"url":"https://www.exploit-db.com/exploits/47876","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://medium.com/%40prasanthc41m/cve-2020-5842-stored-xss-vulnerability-in-codoforum-4-8-3-b2e1133c6a91","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5842"},{"url":"https://medium.com/@prasanthc41m/cve-2020-5842-stored-xss-vulnerability-in-codoforum-4-8-3-b2e1133c6a91"},{"url":"https://github.com/advisories/GHSA-p258-72gh-7cxv"}],"sources":{"cve":[{"id":"CVE-2020-5842","description":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.","status":"published","published":"2020-01-07T19:17:55Z","modified":"2024-08-04T08:39:25.925Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26996","description":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.","status":"published","published":"2020-01-07T19:17:55Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:05.705852Z"}],"ghsa":[{"id":"GHSA-p258-72gh-7cxv","title":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php...","description":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.","status":"published","published":"2022-05-24T17:05:44Z","modified":"2023-01-29T05:01:03Z","updated_at":"2026-11-02T14:44:43.584363Z"}],"nvd":[{"id":"CVE-2020-5842","description":"Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.","status":"published","published":"2020-01-07T20:15:09.96Z","modified":"2026-06-17T03:22:19.283Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}