CVE-2008-6211: Multiple cross-site scripting (XSS) vulnerabilities in PhpForums.net mcGallery 1.1 allow remote attackers to i

Routine

MEDIUM 4.3DOWNGRADE

CVE-2008-6211 is a medium-severity flaw (CVSS 4.3) affecting mcgallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in PhpForums.net mcGallery 1.1 allow remote attackers to inject arbitrary web script or HTML via the lang parameter to (1) admin.php, (2) index.php, (3) sess.php, (4) stats.php, (5) detail.php, (6) resize.php, and (7) show.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-02-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mcgallerypro

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

Am I affected?

Timeline

2009-02-20 01:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

mcgallerypro mcgallery 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 mcgallery || rpm -q mcgallery || mcgallery --version

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

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

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

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

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: mcGallery 1.1 - 'admin.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'detail.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'index.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'resize.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'sess.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'show.php?lang' Cross-Site Scripting
Exploit-DB: mcGallery 1.1 - 'stats.php?lang' 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-2008-6211?

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

Is CVE-2008-6211 being exploited?

CVE-2008-6211 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-2008-6211 affect?

CVE-2008-6211 affects mcgallery. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in PhpForums.net mcGallery 1.1 allow remote attackers to inject arbitrary web script or HTML via the lang parameter to (1) admin.php, (2) index.php, (3) sess.php, (4) stats.php, (5) detail

How urgent is CVE-2008-6211?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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