{"id":"CVE-2020-26680","title":"In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload","summary":"In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload. The user data stored by the database includes HTML tags that are intentio…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"vfairs","product":"vfairs","affected":["vfairs = 3.3"],"published":"2021-05-26","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-26680","references":[{"url":"https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack","label":"cve@mitre.org"},{"url":"http://vfairs.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0046,"epssPercentile":0.39138,"ingestedAt":"2026-07-05T00:59:26.434Z","slug":"CVE-2020-26680","body":"## Overview\n\nIn vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload. The user data stored by the database includes HTML tags that are intentionally rendered out onto the page, and this can be abused to perform XSS attacks.\n\n## Affected\n\n- `vfairs = 3.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}