CVE-2012-6430: Cross-site scripting (XSS) vulnerability in Open Solution Quick.Cms 5.0 and Quick.Cart 6.0, possibly as downlo

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MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2012-6430 is a medium-severity flaw (CVSS 4.3) affecting quick.cart, quick cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Open Solution Quick.Cms 5.0 and Quick.Cart 6.0, possibly as downloaded before December 19, 2012, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin.php. NOTE: this might be a duplicate of CVE-2008-4140.

Why this priority

EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	3.9% (top 10%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-03-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: opensolution

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

Am I affected?

Timeline

2014-03-24 16:43 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

opensolution quick.cart DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy quick.cart || rpm -q quick.cart || quick.cart --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison quick.cart sudo apt install quick.cart=<VERSION_BEFORE_6.0> sudo apt-mark hold quick.cart

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

dnf --showduplicates list quick.cart sudo dnf downgrade quick.cart-<VERSION_BEFORE_6.0> sudo dnf versionlock add quick.cart

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.

opensolution quick cms DOWNGRADE

Affected: 5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy quick-cms || rpm -q quick-cms || quick-cms --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison quick-cms sudo apt install quick-cms=<VERSION_BEFORE_5.0> sudo apt-mark hold quick-cms

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

dnf --showduplicates list quick-cms sudo dnf downgrade quick-cms-<VERSION_BEFORE_5.0> sudo dnf versionlock add quick-cms

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: Quick.CMS / Quick.Cart - Cross-Site Scripting

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-2012-6430?

quick.cart: downgrade or apply the listed mitigation; quick cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-6430 being exploited?

CVE-2012-6430 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-2012-6430 affect?

CVE-2012-6430 affects quick.cart, quick cms. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Open Solution Quick.Cms 5.0 and Quick.Cart 6.0, possibly as downloaded before December 19, 2012, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin.php. NOT

How urgent is CVE-2012-6430?

Priority 43/100. EPSS top 10%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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