CVE-2026-108802 Details
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.
A stored cross-site scripting vulnerability has been identified in RuoYi versions through 4.8.3. The issue arises in the Dictionary Data Drawer Preview component, specifically within the renderDrawer function of the file /system/dict/data/add. The vulnerability allows remote attackers to execute scripts by manipulating the cssClass argument, which is then persisted and executed in the context of the user.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 12, 2026CISA-ADP
Assessed Oct 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss | [email protected] | Technical Description |
| https://github.com/Bob-wentao/security-report-for-ruoyi-dictionary-preview-stored-xss/tree/main/poc | [email protected] | ExploitTechnical Description |
| https://vuldb.com/cve/CVE-2026-108802 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/962540 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/416579 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/416579/cti | [email protected] | AdvisoryContent Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| y_project RuoYi | 4.8.3 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 14, 2026 | CVE Modified | CISA-ADP |
| Oct 12, 2026 | New CVE Received | [email protected] |