CVE-2012-6516: SQL injection vulnerability in PHP Ticket System Beta 1 allows remote attackers to execute arbitrary SQL comma

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HIGH 7.5DOWNGRADE

CVE-2012-6516 is a high-severity flaw (CVSS 7.5) affecting php ticket system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in PHP Ticket System Beta 1 allows remote attackers to execute arbitrary SQL commands via the q parameter to index.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	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-89
Published	2013-01-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: shawn bradley

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

Am I affected?

Timeline

2013-01-24 01:55 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

shawn bradley php ticket system DOWNGRADE

Affected: 1.0 beta

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy php-ticket-system || rpm -q php-ticket-system || php-ticket-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison php-ticket-system sudo apt install php-ticket-system=<VERSION_BEFORE_1.0> sudo apt-mark hold php-ticket-system

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

dnf --showduplicates list php-ticket-system sudo dnf downgrade php-ticket-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add php-ticket-system

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: PHP Ticket System Beta 1 - 'index.php?p' 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-2012-6516?

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

Is CVE-2012-6516 being exploited?

CVE-2012-6516 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-2012-6516 affect?

CVE-2012-6516 affects php ticket system. Severity is high (CVSS 7.5). SQL injection vulnerability in PHP Ticket System Beta 1 allows remote attackers to execute arbitrary SQL commands via the q parameter to index.php.

How urgent is CVE-2012-6516?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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