Low severity · published Oct 12, 2026
CVE-2026-108802
y_project RuoYi Dictionary Data Drawer Preview add renderDrawer cross site scripting
3.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
RuoYi · y_project
4.8.0; 4.8.1; 4.8.2; 4.8.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108802
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108802
vdb-entry
https://vuldb.com/vuln/416579
signature
https://vuldb.com/vuln/416579/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108802
third-party-advisory
https://vuldb.com/submit/962540
related
https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss
exploit
https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss/tree/main/poc
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