A Cross-site scripting (XSS) vulnerability exists in the comment section in ZrLog 2.1.3, which allows remote attackers to inject arbitrary web script and stolen administrator cookies via the nickname parameter and gain access to the admin panel.
https://github.com/94fzb/zrlog/issues/56
https://github.com/94fzb/zrlog/commit/b921c1ae03b8290f438657803eee05226755c941
https://gist.github.com/T-pod/d9405dbd61243990d65d55c5df0fcbe6
Source: Mitre, NVD
Published: 2021-06-15
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00632