CVE-2012-6524: SQL injection vulnerability in kommentar.php in pGB 2.12 allows remote attackers to execute arbitrary SQL comm

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HIGH 7.5DOWNGRADE

CVE-2012-6524 is a high-severity flaw (CVSS 7.5) affecting pgb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in kommentar.php in pGB 2.12 allows remote attackers to execute arbitrary SQL commands via the id parameter.

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	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-89
Published	2013-01-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: powie

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

Am I affected?

Timeline

2013-01-31 05:44 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

powie pgb DOWNGRADE

Affected: 2.12 · 2.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.12

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.12 (Debian / Ubuntu)

apt-cache madison pgb sudo apt install pgb=<VERSION_BEFORE_2.12> sudo apt-mark hold pgb

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

dnf --showduplicates list pgb sudo dnf downgrade pgb-<VERSION_BEFORE_2.12> sudo dnf versionlock add pgb

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: pGB 2.12 - 'kommentar.php' SQL Injection

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-2012-6524?

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

Is CVE-2012-6524 being exploited?

CVE-2012-6524 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-2012-6524 affect?

CVE-2012-6524 affects pgb. Severity is high (CVSS 7.5). SQL injection vulnerability in kommentar.php in pGB 2.12 allows remote attackers to execute arbitrary SQL commands via the id parameter.

How urgent is CVE-2012-6524?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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