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.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.322111
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.322111
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.641125
Exploit, Issue Tracking issue-tracking
https://github.com/thinkgem/jeesite5/issues/33
Exploit, Issue Tracking issue-tracking
https://github.com/thinkgem/jeesite5/issues/33#issuecomment-3197374560
Exploit, Issue Tracking exploit
issue-tracking
https://github.com/thinkgem/jeesite5/issues/33#issue-3330107533
Release Notes patch
https://github.com/thinkgem/jeesite5/releases/tag/v5.13.0.springboo3
Scores
CVSS v3
3.5
EPSS
0.0004
EPSS Percentile
11.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
CWE-94
Status
published
Products (1)
jeesite/jeesite
< 5.13.0
Published
Sep 01, 2025
Tracked Since
Feb 18, 2026