CVE-2023-53916: Zenphoto 1.6 contains a stored cross-site scripting vulnerability in the user postal code field accessible thr

Routine

MEDIUM 4.6DOWNGRADE

CVE-2023-53916 is a medium-severity flaw (CVSS 4.6) affecting zenphoto. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.6 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-17
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: zenphoto

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-17 23:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

zenphoto zenphoto DOWNGRADE

Affected: 1.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6

1. Check installed version

apt-cache policy zenphoto || rpm -q zenphoto || zenphoto --version

2. No fixed release: DOWNGRADE to a release before 1.6 (Debian / Ubuntu)

apt-cache madison zenphoto sudo apt install zenphoto=<VERSION_BEFORE_1.6> sudo apt-mark hold zenphoto

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list zenphoto sudo dnf downgrade zenphoto-<VERSION_BEFORE_1.6> sudo dnf versionlock add zenphoto

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-53916?

zenphoto: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-53916 being exploited?

CVE-2023-53916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-53916 affect?

CVE-2023-53916 affects zenphoto. Severity is medium (CVSS 4.6). 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 inje

How urgent is CVE-2023-53916?

Priority 28/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-53915 MEDIUM 4.6 DOWNGRADE Zenphoto 1.6 contains a stored cross-site scripting vulnerability that allows authenticated attackers to injec

References

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