CVE-2018-8820: An issue was discovered in Square 9 GlobalForms 6.2.x

Q: How do I fix CVE-2018-8820?

globalforms: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-8820 being exploited?

CVE-2018-8820 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-2018-8820 affect?

CVE-2018-8820 affects globalforms. Severity is high (CVSS 7.5). An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full serve

Q: How urgent is CVE-2018-8820?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2018-8820 is a high-severity flaw (CVSS 7.5) affecting globalforms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full server compromise via xp_cmdshell. In some cases, the authentication requirement for the attack can be met by sending the default admin credentials.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: square-9

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

Am I affected?

Timeline

2018-03-28 20:29 UTCPublished CVE record published
2026-06-17 02:05 UTCUpdated Record last modified

square-9 globalforms UPGRADE

Affected: <= 6.2

Fixed in: newer than 6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 6.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade globalforms

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-2018-8820?

globalforms: upgrade to newer than 6.2. Exact commands for each OS are on this page.

Is CVE-2018-8820 being exploited?

CVE-2018-8820 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-2018-8820 affect?

CVE-2018-8820 affects globalforms. Severity is high (CVSS 7.5). An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full serve

How urgent is CVE-2018-8820?

Priority 51/100. High severity; Public exploit reference

References

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