What is CVE-2023-53906?

CVE-2023-53906 is a medium-severity vulnerability in Projectsend, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-12-17.

How severe is CVE-2023-53906?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Projectsend

CVE-2023-53906

projectSend r1605 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious JavaScript through the custom assets configuration page. Attackers can craft a JavaScript payload in the cu…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Projectsend — versions r1605

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ExploitDB-51518 (exploit)
Official Product Webpage (product)
VulnCheck Advisory: ProjectSend r1605 Stored Cross-Site Scripting via Custom Assets Page (third-party-advisory)

Frequently asked questions

What is CVE-2023-53906?: CVE-2023-53906 is a medium-severity vulnerability in Projectsend, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-12-17.
How severe is CVE-2023-53906?: Medium severity. CVSS v3 base score is 4.8 out of 10.