CVE-2026-23752: GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation

Q: How do I fix CVE-2026-23752?

helpdesk: upgrade to 4.99.9. Exact commands for each OS are on this page.

Q: Is CVE-2026-23752 being exploited?

CVE-2026-23752 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-2026-23752 affect?

CVE-2026-23752 affects helpdesk. Severity is medium (CVSS 4.8). GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation and editing functionality that allows authenticated administrators to inject arbitrary JavaScript by manipulating the companyname

Q: How urgent is CVE-2026-23752?

Priority 18/100. No elevated risk signals yet.

Routine

MEDIUM 4.8UPGRADE

CVE-2026-23752 is a medium-severity flaw (CVSS 4.8) affecting helpdesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation and editing functionality that allows authenticated administrators to inject arbitrary JavaScript by manipulating the companyname POST parameter without HTML sanitization. Attackers can inject malicious scripts through the companyname field that execute in the browsers of any administrator viewing the Templates > Groups page.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-04-20
Last modified	2026-10-26

Publisher (CNA): VulnCheck · Vendor: gfi

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-20 18:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

gfi helpdesk UPGRADE

Affected: < 4.99.9

Fixed in: 4.99.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.99.9 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade helpdesk

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-2026-23752?

helpdesk: upgrade to 4.99.9. Exact commands for each OS are on this page.

Is CVE-2026-23752 being exploited?

CVE-2026-23752 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-2026-23752 affect?

CVE-2026-23752 affects helpdesk. Severity is medium (CVSS 4.8). GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation and editing functionality that allows authenticated administrators to inject arbitrary JavaScript by manipulating the companyname

How urgent is CVE-2026-23752?

Priority 18/100. No elevated risk signals yet.

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References

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