{"id":"CVE-2026-53992","summary":"Reflected XSS in ProjectSend thumbnails-regenerate.php via start_date / end_date Parameters","details":"ProjectSend r2029 contains a reflected cross-site scripting vulnerability in thumbnails-regenerate.php that allows remote attackers to inject arbitrary HTML and JavaScript by supplying unsanitized values in the start_date and end_date GET parameters, which are echoed unescaped into HTML attribute values. Attackers can craft a malicious URL that, when followed by an authenticated victim with edit_settings permissions, executes injected scripts in the application origin to steal session cookies or perform unauthorized actions including user management, file management, and application settings changes.","modified":"2026-08-15T04:06:51.248328503Z","published":"2026-08-05T14:54:41.657Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53992.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"b4ad95b"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53992.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53992"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/reflected-xss-in-projectsend-thumbnails-regenerate-php-via-start-date-end-date-parameters"},{"type":"FIX","url":"https://github.com/projectsend/projectsend/commit/b4ad95b1bd3d18b23261b7c3496bfbac8ebfe324"},{"type":"PACKAGE","url":"https://github.com/projectsend/projectsend"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/projectsend/projectsend","events":[{"introduced":"0"},{"fixed":"b4ad95b1bd3d18b23261b7c3496bfbac8ebfe324"}],"database_specific":{"source":"REFERENCES"}}],"versions":["r2029","r2002","r1994","r1945","r1720","r1605","r1584","r1420","Stable","r1415","r1335","r1070","r1053","r756","r754","r753","r559"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53992.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}]}