The Wallabag application 2.2.3 to 2.3.2 is affected by one cross-site scripting (XSS) vulnerability that is stored within the configuration page. This vulnerability enables the execution of a JavaScript payload each time an administrator visits the configuration page. The vulnerability can be exploited with authentication and used to target administrators and steal their sessions.
Severity
CVSS 3.0
4.0 medium
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)