CVE-2006-5435: PHP remote file inclusion vulnerability in groupcp.php in phpBB 2.0.10 and earlier allows remote attackers to

Q: How do I fix CVE-2006-5435?

phpbb: upgrade to newer than 2.0.10. Exact commands for each OS are on this page.

Q: Is CVE-2006-5435 being exploited?

CVE-2006-5435 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-5435 affect?

CVE-2006-5435 affects phpbb. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in groupcp.php in phpBB 2.0.10 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter. NOTE: CVE and the vendor dispute this vulnerability becaus

This month

HIGH 7.5UPGRADE

CVE-2006-5435 is a high-severity flaw (CVSS 7.5) affecting phpbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in groupcp.php in phpBB 2.0.10 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter. NOTE: CVE and the vendor dispute this vulnerability because $phpbb_root_path is defined before use

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2006-10-20
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

2006-10-20 23:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

phpbb group phpbb UPGRADE

Affected: <= 2.0.10

Fixed in: newer than 2.0.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.0.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phpbb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpbb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-5435?

phpbb: upgrade to newer than 2.0.10. Exact commands for each OS are on this page.

Is CVE-2006-5435 being exploited?

CVE-2006-5435 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-2006-5435 affect?

CVE-2006-5435 affects phpbb. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in groupcp.php in phpBB 2.0.10 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter. NOTE: CVE and the vendor dispute this vulnerability becaus

How urgent is CVE-2006-5435?

Priority 44/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-29199 HIGH 8.1 UPGRADE phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning
CVE-2025-70811 MEDIUM 4.3 DOWNGRADE Cross Site Request Forgery vulnerability in Phpbb phbb3 v.3.3.15 allows a local attacker to execute arbitrary
CVE-2025-70810 HIGH 8.8 DOWNGRADE Cross Site Request Forgery vulnerability in Phpbb phbb3 v.3.3.15 allows a local attacker to execute arbitrary
CVE-2023-5917 LOW 2.4 UPGRADE A vulnerability, which was classified as problematic, has been found in phpBB up to 3.3.10
CVE-2020-8226 MEDIUM 5.8 UPGRADE A vulnerability exists in phpBB <v3.2.10 and <v3.3.1 which allowed remote image dimensions check to be used to

References

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