{"cve":"CVE-2021-40888","nvd":{"published":"2021-10-11T11:15:09.673","modified":"2026-06-17T04:07:35.860","status":"Modified","description":"Projectsend version r1295 is affected by Cross Site Scripting (XSS) due to lack of sanitization when echo output data in returnFilesIds() function. A low privilege user can call this function through process.php file and execute scripting code.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://github.com/projectsend/projectsend/issues/995","https://github.com/projectsend/projectsend/releases/tag/r1295","https://github.com/projectsend/projectsend/issues/995","https://github.com/projectsend/projectsend/releases/tag/r1295"],"products":["projectsend:projectsend"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-40888","score":0.00644,"percentile":0.50913,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}