Piwigo Public Authentication cross site scripting
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.3epss 0.4%
exploitation probability
0.4%top 65% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
n/a · Piwigopublic PoCs found — 1
cve_referencegithub.com/Leousum/VulnPoC/blob/main/Piwigo%2016.3.0/reflected_XSS.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/Leousum/VulnPoC/blob/main/Piwigo%2016.3.0/reflected_XSS.mdhttps://github.com/Piwigo/Piwigo/https://github.com/Piwigo/Piwigo/commit/5277a7dee4b8f1a174f1d69e1e2a4e1c82a3fc9ehttps://github.com/Piwigo/Piwigo/releases/tag/16.4.0https://github.com/Piwigo/Piwigo/security/advisories/GHSA-rr39-mf4j-6594https://vuldb.com/cve/CVE-2026-78187https://vuldb.com/submit/885228https://vuldb.com/vuln/394569https://vuldb.com/vuln/394569/cti