{"id":"CVE-2021-35503","title":"Afian FileRun 2021.03.26 allows stored XSS via an HTTP X-Forwarded-For header that is mishandled when rendering Activity Logs.","summary":"Afian FileRun 2021.03.26 allows stored XSS via an HTTP X-Forwarded-For header that is mishandled when rendering Activity Logs.","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"afian","product":"filerun","affected":["filerun = 2021.03.26"],"published":"2021-10-05","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-35503","references":[{"url":"https://syntegris-sec.github.io/filerun-advisory","label":"cve@mitre.org"},{"url":"http://blog.filerun.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://syntegris-sec.github.io/filerun-advisory","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00742,"epssPercentile":0.52754,"ingestedAt":"2026-07-06T17:03:23.583Z","slug":"CVE-2021-35503","body":"## Overview\n\nAfian FileRun 2021.03.26 allows stored XSS via an HTTP X-Forwarded-For header that is mishandled when rendering Activity Logs.\n\n## Affected\n\n- `filerun = 2021.03.26`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}