What is CVE-2023-53916?

CVE-2023-53916 is a medium-severity vulnerability in Zenphoto, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-12-17.

How severe is CVE-2023-53916?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Zenphoto

CVE-2023-53916

Zenphoto 1.6 contains a stored cross-site scripting vulnerability in the user postal code field accessible through the admin-users.php interface. When administrators view user information imported as HTML, malicious JavaScript payloads injected into the postal code field execute in their browser context.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Zenphoto — versions 1.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
disclosure@vulncheck.com (product, Release Notes)
disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2023-53916?: CVE-2023-53916 is a medium-severity vulnerability in Zenphoto, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-12-17.
How severe is CVE-2023-53916?: Medium severity. CVSS v3 base score is 4.6 out of 10.