The Batch Manager component of Piwigo 2.9.2 is vulnerable to Persistent Cross Site Scripting via tags-* array parameters in an admin.php?page=batch_manager&mode=unit request. An attacker can exploit this to hijack a client's browser along with the data stored in it.
Severity
CVSS 3.0
4.8 medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)