CVE-2025-9796

thinkgem JeeSite EncodeUtils.java decodeUrl2 cross site scripting

State: Published
Severity: 5.1 Medium
Published: Sep 1, 2025
Updated: Sep 2, 2025
Reserved: Sep 1, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	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/E:P	VulDB
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C	VulDB
3.0	3.5 Low	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-79 Cross Site Scripting
CWE-94 Code Injection

Affected Products

Product	Versions
JeeSitethinkgem	5.12.0Affected 5.12.1Affected 5.13.0Not affected

References

VDB-322111 | thinkgem JeeSite EncodeUtils.java decodeUrl2 cross site scriptingvdb-entrytechnical-description
VDB-322111 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #641125 | thinkgem https://github.com/thinkgem/jeesite5 <=v5.12.1 XSSthird-party-advisory
https://github.com/thinkgem/jeesite5/issues/33issue-tracking
https://github.com/thinkgem/jeesite5/issues/33#issuecomment-3197374560issue-tracking
https://github.com/thinkgem/jeesite5/issues/33#issue-3330107533exploitissue-tracking
https://github.com/thinkgem/jeesite5/commit/63773c97a56bdb3649510e83b66c16db4754965bpatch
https://github.com/thinkgem/jeesite5/releases/tag/v5.13.0.springboo3patch

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