CVE-2006-2150: PHP remote file inclusion vulnerability in top/list.php in phpBB TopList 1.3.8 and earlier allows remote attac

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MEDIUM 6.4DOWNGRADE

CVE-2006-2150 is a medium-severity flaw (CVSS 6.4) affecting phpbb toplist. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in top/list.php in phpBB TopList 1.3.8 and earlier allows remote attackers to include arbitrary files via the returnpath parameter.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2006-05-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpbb group

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

Am I affected?

Timeline

2006-05-03 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

phpbb group phpbb toplist DOWNGRADE

Affected: 1.3.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.8

1. Check installed version

apt-cache policy phpbb-toplist || rpm -q phpbb-toplist || phpbb-toplist --version

2. No fixed release: DOWNGRADE to a release before 1.3.8 (Debian / Ubuntu)

apt-cache madison phpbb-toplist sudo apt install phpbb-toplist=<VERSION_BEFORE_1.3.8> sudo apt-mark hold phpbb-toplist

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

dnf --showduplicates list phpbb-toplist sudo dnf downgrade phpbb-toplist-<VERSION_BEFORE_1.3.8> sudo dnf versionlock add phpbb-toplist

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-2006-2150?

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

Is CVE-2006-2150 being exploited?

CVE-2006-2150 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-2006-2150 affect?

CVE-2006-2150 affects phpbb toplist. Severity is medium (CVSS 6.4). PHP remote file inclusion vulnerability in top/list.php in phpBB TopList 1.3.8 and earlier allows remote attackers to include arbitrary files via the returnpath parameter.

How urgent is CVE-2006-2150?

Priority 43/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2151 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in toplist.php in phpBB TopList 1.3.8 and earlier, when register_globa

References

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