CVE-2005-1971: Directory traversal vulnerability in InteractivePHP FusionBB .11 Beta and earlier allows remote attackers to i

This month

HIGH 7.5DOWNGRADE

CVE-2005-1971 is a high-severity flaw (CVSS 7.5) affecting fusionbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in InteractivePHP FusionBB .11 Beta and earlier allows remote attackers to include arbitrary local files via ".." sequences in the language parameter.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Published	2005-06-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: interactivephp

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

Am I affected?

Timeline

2005-06-16 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

interactivephp fusionbb DOWNGRADE

Affected: 11_beta

Fixed in: no fixed release known

Safe to downgrade to: a release before 11_beta

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 11_beta (Debian / Ubuntu)

apt-cache madison fusionbb sudo apt install fusionbb=<VERSION_BEFORE_11_beta> sudo apt-mark hold fusionbb

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

dnf --showduplicates list fusionbb sudo dnf downgrade fusionbb-<VERSION_BEFORE_11_beta> sudo dnf versionlock add fusionbb

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-2005-1971?

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

Is CVE-2005-1971 being exploited?

CVE-2005-1971 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-2005-1971 affect?

CVE-2005-1971 affects fusionbb. Severity is high (CVSS 7.5). Directory traversal vulnerability in InteractivePHP FusionBB .11 Beta and earlier allows remote attackers to include arbitrary local files via ".." sequences in the language parameter.

How urgent is CVE-2005-1971?

Priority 45/100. High severity

Related CVEs

CVE-2005-1972 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in InteractivePHP FusionBB .11 Beta and earlier allow remote attackers

References

← Back to latest CVEs