CVE Catalog

CVE-2026-78187

LowCVSS 3.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.41%

34th percentile - higher than 34% of all known CVEs

Summary

A vulnerability has been found in Piwigo 16.3.0 in an unknown function of the Public Authentication Page component. Manipulation of the lang argument leads to cross site scripting. The attack may be performed remotely, but is difficult to exploit. The exploit has been disclosed. Upgrading to version 16.4.0 fixes this issue.

Risk Assessment

A remote attacker can exploit XSS to execute scripts in the victim's browser, potentially leading to session theft, account takeover, or other malicious actions. The public exploit increases the risk.

Recommendation

It is recommended to immediately update Piwigo to version 16.4.0, which contains the fix. Also inform users about the risk and monitor logs.

Other vulnerabilities in Piwigo

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Original NVD description (English source)

A vulnerability has been found in Piwigo 16.3.0. This impacts an unknown function of the component Public Authentication Page. Such manipulation of the argument lang leads to cross site scripting. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 16.4.0 will fix this issue. The name of the patch is 5277a7dee4b8f1a174f1d69e1e2a4e1c82a3fc9e. It is recommended to upgrade the affected component.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS