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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Zenphoto — versions 1.6
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51485 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.zenphoto.org/news/zenphoto-1.6/ (product, Release Notes)
- www.vulncheck.com/advisories/zenphoto-stored-cross-site-scripting-via-user-post… (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.