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TI-2025-08985 Aliases CVE-2025-9796GHSA-66x5-jrc5-2whj

thinkgem JeeSite EncodeUtils.java decodeUrl2 cross site scripting

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
Fixed

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

Summary

A vulnerability was found in thinkgem JeeSite up to 5.12.1. This affects the function decodeUrl2 of the file common/src/main/java/com/jeesite/common/codec/EncodeUtils.java. The manipulation results in cross site scripting. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 5.13.0 mitigates this issue. The patch is identified as 63773c97a56bdb3649510e83b66c16db4754965b. Upgrading the affected component is recommended.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix Fixed JeeSite (thinkgem): 5.13.0

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
thinkgemJeeSite5.12.0; 5.12.15.13.0Patch availableCNA
  • JeeSite Vendorthinkgem Affected 5.12.0; 5.12.1 Fixed in 5.13.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jeesite:jeesite:*:*:*:*:-:*:*:*before 5.13.0Vulnerablethinkgem
  • cpe:2.3:a:jeesite:jeesite:*:*:*:*:-:*:*:* Versions before 5.13.0 Vulnerable ·thinkgem

Remediation

  • Fix · CNA JeeSite (thinkgem) Fixed in 5.13.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9796
  2. 2026-10-03 Alias added: GHSA-66x5-jrc5-2whj

References

  • TI-2023-17334 Jeesite before commit 10742d3 was discovered to contain a SQL injection vulnerability via… CVSS 3.1CRITICAL 9.8
  • TI-2023-20231 An issue in the delete function in the ActModelController class of jeesite v1.2.6 allows… CVSS 3.1MEDIUM 5.4
  • TI-2025-07188 thinkgem JeeSite FileUploadController.java upload unrestricted upload CVSS 4.0MEDIUM 5.3
  • TI-2025-07110 thinkgem JeeSite SsoController.java sso redirect CVSS 4.0MEDIUM 5.3
  • TI-2025-07088 thinkgem JeeSite Site Controller SiteController.java select redirect CVSS 4.0MEDIUM 5.3
  • TI-2025-07084 thinkgem JeeSite UEditor Image Grabber ActionEnter.java server-side request forgery CVSS 4.0MEDIUM 5.3
See all 18 →

Sources