CVE-2005-4084: xs_edit.php in the phpBB eXtreme Styles module 2.2.1 and earlier allows remote attackers to obtain the install

Q: How do I fix CVE-2005-4084?

phpbb extreme styles: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2005-4084 being exploited?

CVE-2005-4084 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-2005-4084 affect?

CVE-2005-4084 affects phpbb extreme styles. Severity is medium (CVSS 5.0). xs_edit.php in the phpBB eXtreme Styles module 2.2.1 and earlier allows remote attackers to obtain the installation path of the application via an invalid viewbackup parameter.

Q: How urgent is CVE-2005-4084?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2005-4084 is a medium-severity flaw (CVSS 5.0) affecting phpbb extreme styles. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

xs_edit.php in the phpBB eXtreme Styles module 2.2.1 and earlier allows remote attackers to obtain the installation path of the application via an invalid viewbackup parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2005-12-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpbb styles

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

Am I affected?

Timeline

2005-12-08 01:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

phpbb styles phpbb extreme styles UPGRADE

Affected: <= 2.2.1

Fixed in: newer than 2.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpbb-extreme-styles

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-2005-4084?

phpbb extreme styles: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Is CVE-2005-4084 being exploited?

CVE-2005-4084 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-2005-4084 affect?

CVE-2005-4084 affects phpbb extreme styles. Severity is medium (CVSS 5.0). xs_edit.php in the phpBB eXtreme Styles module 2.2.1 and earlier allows remote attackers to obtain the installation path of the application via an invalid viewbackup parameter.

How urgent is CVE-2005-4084?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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