CVE-2025-9796: A vulnerability was found in thinkgem JeeSite up to 5.12.1

Q: How do I fix CVE-2025-9796?

jeesite: upgrade to 5.13.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-9796 being exploited?

CVE-2025-9796 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-9796 affect?

CVE-2025-9796 affects jeesite. Severity is low (CVSS 3.5). 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

Q: How urgent is CVE-2025-9796?

Priority 25/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2025-9796 is a low-severity flaw (CVSS 3.5) affecting jeesite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-09-01
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: jeesite

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-01 22:15 UTCPublished CVE record published
2026-06-17 10:09 UTCUpdated Record last modified

jeesite jeesite UPGRADE

Affected: < 5.13.0

Fixed in: 5.13.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jeesite || rpm -q jeesite || jeesite --version

2. UPGRADE to 5.13.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jeesite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jeesite

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-9796?

jeesite: upgrade to 5.13.0. Exact commands for each OS are on this page.

Is CVE-2025-9796 being exploited?

CVE-2025-9796 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-9796 affect?

CVE-2025-9796 affects jeesite. Severity is low (CVSS 3.5). 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

How urgent is CVE-2025-9796?

Priority 25/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2026-3405 LOW 3.1 UPGRADE A vulnerability has been found in thinkgem JeeSite up to 5.15.1
CVE-2026-3404 MEDIUM 5.0 UPGRADE A flaw has been found in thinkgem JeeSite up to 5.15.1
CVE-2025-7865 LOW 3.5 UPGRADE A vulnerability was found in thinkgem JeeSite up to 5.12.0
CVE-2025-7864 MEDIUM 6.3 UPGRADE A vulnerability was found in thinkgem JeeSite up to 5.12.0
CVE-2025-7863 LOW 3.5 UPGRADE A vulnerability was found in thinkgem JeeSite up to 5.12.0 and classified as problematic

References

← Back to latest CVEs