What is CVE-2026-53992?

CVE-2026-53992 is a medium-severity vulnerability in Projectsend, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-05.

How severe is CVE-2026-53992?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Projectsend

CVE-2026-53992

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…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Projectsend — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com

Frequently asked questions

What is CVE-2026-53992?: CVE-2026-53992 is a medium-severity vulnerability in Projectsend, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-05.
How severe is CVE-2026-53992?: Medium severity. CVSS v3 base score is 6.1 out of 10.