CVE-2005-4409: Cross-site scripting (XSS) vulnerability in MMBase 1.7.4 and earlier allows remote attackers to inject arbitra

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-4409 is a medium-severity flaw (CVSS 4.3) affecting mmbase. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in MMBase 1.7.4 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified search parameters.

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	1.2% (top 32%)
CISA exploited list	No
Published	2005-12-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mmbase

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

Am I affected?

Timeline

2005-12-20 11:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

mmbase mmbase DOWNGRADE

Affected: 1.5.1 · 1.6.0 · 1.6.1 · 1.6.2 · 1.6.3 · 1.6.4 · 1.6.5 · 1.7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.1 (Debian / Ubuntu)

apt-cache madison mmbase sudo apt install mmbase=<VERSION_BEFORE_1.5.1> sudo apt-mark hold mmbase

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

dnf --showduplicates list mmbase sudo dnf downgrade mmbase-<VERSION_BEFORE_1.5.1> sudo dnf versionlock add mmbase

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-2005-4409?

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

Is CVE-2005-4409 being exploited?

CVE-2005-4409 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-2005-4409 affect?

CVE-2005-4409 affects mmbase. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in MMBase 1.7.4 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified search parameters.

How urgent is CVE-2005-4409?

Priority 32/100. No elevated risk signals yet.

References

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