CVE-2006-6691: Multiple PHP remote file inclusion vulnerabilities in Valdersoft Shopping Cart 3.0 and earlier allow remote at

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HIGH 7.5DOWNGRADE

CVE-2006-6691 is a high-severity flaw (CVSS 7.5) affecting shopping cart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in Valdersoft Shopping Cart 3.0 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the commonIncludePath parameter to (1) admin/include/common.php, (2) include/common.php, or (3) common_include/common.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	2.9% (top 13%)
CISA exploited list	No
Published	2006-12-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: valdersoft

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

Am I affected?

Timeline

2006-12-21 21:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

valdersoft shopping cart DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy shopping-cart || rpm -q shopping-cart || shopping-cart --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison shopping-cart sudo apt install shopping-cart=<VERSION_BEFORE_3.0> sudo apt-mark hold shopping-cart

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

dnf --showduplicates list shopping-cart sudo dnf downgrade shopping-cart-<VERSION_BEFORE_3.0> sudo dnf versionlock add shopping-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.

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: Valdersoft Shopping Cart 3.0 - Multiple Remote File Inclusions

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-2006-6691?

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

Is CVE-2006-6691 being exploited?

CVE-2006-6691 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-2006-6691 affect?

CVE-2006-6691 affects shopping cart. Severity is high (CVSS 7.5). Multiple PHP remote file inclusion vulnerabilities in Valdersoft Shopping Cart 3.0 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the commonIncludePath parameter to (1) admin/include/common.php, (2) include/co

How urgent is CVE-2006-6691?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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