CVE-2025-65120: Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.7.1, GroupSessi

Q: How do I fix CVE-2025-65120?

groupsession: upgrade to 5.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-65120 being exploited?

CVE-2025-65120 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-2025-65120 affect?

CVE-2025-65120 affects groupsession. Severity is medium (CVSS 6.1). Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1. If a user accesses a crafted page or URL, an arbitrary scri

Q: How urgent is CVE-2025-65120?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2025-65120 is a medium-severity flaw (CVSS 6.1) affecting groupsession. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1. If a user accesses a crafted page or URL, an arbitrary script may be executed on the web browser of the user.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-12
Last modified	2026-10-07

Publisher (CNA): JPCERT/CC · Vendor: groupsession

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-12 05:16 UTCPublished CVE record published
2026-10-07 20:10 UTCUpdated Record last modified

groupsession groupsession UPGRADE

Affected: < 5.7.1

Fixed in: 5.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.7.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade groupsession

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-2025-65120?

groupsession: upgrade to 5.7.1. Exact commands for each OS are on this page.

Is CVE-2025-65120 being exploited?

CVE-2025-65120 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-2025-65120 affect?

CVE-2025-65120 affects groupsession. Severity is medium (CVSS 6.1). Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.7.1, GroupSession byCloud prior to ver5.7.1, and GroupSession ZION prior to ver5.7.1. If a user accesses a crafted page or URL, an arbitrary scri

How urgent is CVE-2025-65120?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2025-61987 MEDIUM 5.3 UPGRADE GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION pri
CVE-2025-54407 MEDIUM 6.1 UPGRADE Stored cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession
CVE-2025-57883 MEDIUM 6.1 UPGRADE Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSessi
CVE-2025-53523 MEDIUM 5.4 UPGRADE Stored cross-site scripting vulnerabilities exist in GroupSession Free edition prior to ver5.3.0, GroupSession
CVE-2025-62192 MEDIUM 5.4 UPGRADE SQL Injection vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior

References

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