{"id":"CVE-2021-32852","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32852","generatedAt":"2026-10-27T20:22:58.150Z","title":"Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition.","description":"Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. The attacker must have an account or be able to create one. This issue is patched in version 21.11.","published":"2023-02-20T22:15:11.000Z","lastModified":"2026-06-17T03:53:46.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"cwe":["CWE-79"],"affected":["count/countly server"],"epss":{"score":0.0093,"percentile":0.60328,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/app.js#L1112","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/views/reset.html#L95","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/Countly/countly-server/releases/tag/v21.11","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://securitylab.github.com/advisories/GHSL-2021-104-countly-server/","tags":["Exploit","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/app.js#L1112","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/views/reset.html#L95","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Countly/countly-server/releases/tag/v21.11","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://securitylab.github.com/advisories/GHSL-2021-104-countly-server/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32852","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."}