CVE-2008-6656: Multiple SQL injection vulnerabilities in Open Auto Classifieds 1.4.3b allow remote attackers to execute arbit

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HIGH 7.5DOWNGRADE

CVE-2008-6656 is a high-severity flaw (CVSS 7.5) affecting open auto classifieds. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in Open Auto Classifieds 1.4.3b allow remote attackers to execute arbitrary SQL commands via (1) the id parameter to listings.php and (2) the username field to login.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 33%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-04-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: openautoclassifieds

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

Am I affected?

Timeline

2009-04-07 14:17 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

openautoclassifieds open auto classifieds DOWNGRADE

Affected: 1.4.3b

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.3b

1. Check installed version

apt-cache policy open-auto-classifieds || rpm -q open-auto-classifieds || open-auto-classifieds --version

2. No fixed release: DOWNGRADE to a release before 1.4.3b (Debian / Ubuntu)

apt-cache madison open-auto-classifieds sudo apt install open-auto-classifieds=<VERSION_BEFORE_1.4.3b> sudo apt-mark hold open-auto-classifieds

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

dnf --showduplicates list open-auto-classifieds sudo dnf downgrade open-auto-classifieds-<VERSION_BEFORE_1.4.3b> sudo dnf versionlock add open-auto-classifieds

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: Open Auto Classifieds 1.4.3b - 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-2008-6656?

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

Is CVE-2008-6656 being exploited?

CVE-2008-6656 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-2008-6656 affect?

CVE-2008-6656 affects open auto classifieds. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in Open Auto Classifieds 1.4.3b allow remote attackers to execute arbitrary SQL commands via (1) the id parameter to listings.php and (2) the username field to login.php.

How urgent is CVE-2008-6656?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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