CVE-2025-9796: A vulnerability was found in thinkgem JeeSite up to 5.12.1. This affects the function decodeUrl2 of the file…

PriorityP422medium4.1CVSS 3.1

AVNACLPRLUIRSCCNILAN

EPSS

0.33%

24.5th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
jeesite	jeesite	< 5.13.0	5.13.0
thinkgem	jeesite	—	—
thinkgem	jeesite	—	—

CVSS provenance

nvdv3.14.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

nvdv4.02.0LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.