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Cross-site scripting in RuoYi Dictionary Data Drawer Preview

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

y_project RuoYi up to 4.8.3 is affected. Improper neutralization of the cssClass argument in the renderDrawer function lets scripts be injected into web pages (CWE-79). A remote attacker with low privileges can trigger it with passive user interaction. The exploit has been made available to the public.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00199 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
yangzongzhuanRuoYi4.8.0; 4.8.1; 4.8.2; 4.8.3—No fix listedCNA
  • RuoYi Vendoryangzongzhuan Affected 4.8.0; 4.8.1; 4.8.2; 4.8.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:ruoyi:ruoyi:*:*:*:*:*:*:*:*——yangzongzhuan
  • cpe:2.3:a:ruoyi:ruoyi:*:*:*:*:*:*:*:* Versions — — ·yangzongzhuan

Remediation

The sources list no fixed version for RuoYi.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-108802
  2. 2026-10-12 Alias added: GHSA-pq38-jcrf-2whw
  3. 2026-10-15 CISA SSVC decision points changed
  4. 2026-10-15 Priority changed: LOW → MEDIUM

References

  • TI-2025-20797 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the SysDictTypeController component CVSS 3.1CRITICAL 9.8
  • TI-2025-20796 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the… CVSS 3.1CRITICAL 9.8
  • TI-2025-20795 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the editSave method in /tool/gen/editSave CVSS 3.1CRITICAL 9.8
  • TI-2025-20794 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the… CVSS 3.1CRITICAL 9.8
  • TI-2025-20792 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the… CVSS 3.1CRITICAL 9.8
  • TI-2025-20790 An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the jobLogId parameter CVSS 3.1CRITICAL 9.8
See all 66 →

Sources