CVE-2008-4892: Cross-site scripting (XSS) vulnerability in gallery.inc.php in Planetluc MyGallery 1.7.2 and earlier, and poss

Routine

MEDIUM 4.3DOWNGRADE

CVE-2008-4892 is a medium-severity flaw (CVSS 4.3) affecting mygallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in gallery.inc.php in Planetluc MyGallery 1.7.2 and earlier, and possibly other versions before 1.8.1, allows remote attackers to inject arbitrary web script or HTML via the mghash parameter. NOTE: some of these details are obtained from third party information.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2008-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: planetluc

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

Am I affected?

Timeline

2008-11-04 00:58 UTCPublished CVE record published
2026-06-16 22:58 UTCUpdated Record last modified

planetluc mygallery DOWNGRADE

Affected: 1.7.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.7.2 (Debian / Ubuntu)

apt-cache madison mygallery sudo apt install mygallery=<VERSION_BEFORE_1.7.2> sudo apt-mark hold mygallery

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

dnf --showduplicates list mygallery sudo dnf downgrade mygallery-<VERSION_BEFORE_1.7.2> sudo dnf versionlock add mygallery

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.

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-2008-4892?

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

Is CVE-2008-4892 being exploited?

CVE-2008-4892 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-2008-4892 affect?

CVE-2008-4892 affects mygallery. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in gallery.inc.php in Planetluc MyGallery 1.7.2 and earlier, and possibly other versions before 1.8.1, allows remote attackers to inject arbitrary web script or HTML via the mghash parameter. NOTE:

How urgent is CVE-2008-4892?

Priority 31/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-2426 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in myfunctions/mygallerybrowser.php in the myGallery 1.4b4 and earlier

References

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