CVE-2011-5091: Multiple SQL injection vulnerabilities in GR Board (aka grboard) 1.8.6.5 Community Edition allow remote attack

This month

HIGH 7.5DOWNGRADE

CVE-2011-5091 is a high-severity flaw (CVSS 7.5) affecting grboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in GR Board (aka grboard) 1.8.6.5 Community Edition allow remote attackers to execute arbitrary SQL commands via the (1) tableType or (2) blindTarget parameter to view.php, (3) the delTargets[0] parameter to view_memo.php, or (4) the isReported parameter to write_ok.php.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-89
Published	2012-05-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: grboard

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-05-24 00:55 UTCPublished CVE record published
2026-06-16 23:35 UTCUpdated Record last modified

grboard grboard DOWNGRADE

Affected: 1.8.6.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.6.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.6.5 (Debian / Ubuntu)

apt-cache madison grboard sudo apt install grboard=<VERSION_BEFORE_1.8.6.5> sudo apt-mark hold grboard

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list grboard sudo dnf downgrade grboard-<VERSION_BEFORE_1.8.6.5> sudo dnf versionlock add grboard

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2011-5091?

grboard: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-5091 being exploited?

CVE-2011-5091 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-2011-5091 affect?

CVE-2011-5091 affects grboard. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in GR Board (aka grboard) 1.8.6.5 Community Edition allow remote attackers to execute arbitrary SQL commands via the (1) tableType or (2) blindTarget parameter to view.php, (3) the delTargets[0] parame

How urgent is CVE-2011-5091?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2011-5090 MEDIUM 6.4 DOWNGRADE GR Board (aka grboard) 1.8.6.5 Community Edition does not require authentication for certain database actions,
CVE-2009-0444 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in GRBoard 1.8, when register_globals is enabled and magic_

References

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