CVE-2007-3523: Multiple directory traversal vulnerabilities in Module/Galerie.php in XCMS 1.1 allow remote attackers to inclu

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MEDIUM 6.4DOWNGRADE

CVE-2007-3523 is a medium-severity flaw (CVSS 6.4) affecting xcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in Module/Galerie.php in XCMS 1.1 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) Ent or (2) Lang parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2007-07-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: groupeclan.free.fr

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

Am I affected?

Timeline

2007-07-03 18:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

groupeclan.free.fr xcms DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison xcms sudo apt install xcms=<VERSION_BEFORE_1.1> sudo apt-mark hold xcms

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

dnf --showduplicates list xcms sudo dnf downgrade xcms-<VERSION_BEFORE_1.1> sudo dnf versionlock add xcms

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: XCMS 1.1 - 'Galerie.php' Local File Inclusion

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-2007-3523?

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

Is CVE-2007-3523 being exploited?

CVE-2007-3523 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-2007-3523 affect?

CVE-2007-3523 affects xcms. Severity is medium (CVSS 6.4). Multiple directory traversal vulnerabilities in Module/Galerie.php in XCMS 1.1 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) Ent or (2) Lang parameter.

How urgent is CVE-2007-3523?

Priority 48/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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