CVE-2026-53992 PUBLISHED

Reflected XSS in ProjectSend thumbnails-regenerate.php via start_date / end_date Parameters

Assigner: VulnCheck
Reserved: 11.06.2026 Published: 05.08.2026 Updated: 05.08.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 5.1

Product Status

Vendor ProjectSend
Product ProjectSend
Versions Default: affected
  • affected from 0 to b4ad95b (incl.)

Credits

  • Sehwang Kim finder

References

Problem Types

  • Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE