A weakness has been identified in y_project RuoYi up to 4.8.3. This affects the function renderDrawer of the file /system/dict/data/add of the component Dictionary Data Drawer Preview. Executing a manipulation of the argument cssClass can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
https://vuldb.com/vuln/416579/cti
https://vuldb.com/submit/962540
https://vuldb.com/cve/CVE-2026-108802
https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss/tree/main/poc
https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss
Published: 2026-10-12
Updated: 2026-10-12
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 3.5
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Severity: Low
Base Score: 5.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00199