CVE-2006-4758

Name: CVE-2006-4758
Creator: NVD / NIST
Published: 2006-09-13T23:07:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.58%

Last modified Jun 16, 2026

CVE-2006-4758 is a vulnerability of currently unknown severity. phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.

Metrics

EPSS Probability

1.58%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Phpbb Group	Phpbb	2.0.21

References

Timeline

Published: Sep 13, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-4758?

How severe is CVE-2006-4758?

Severity scoring for CVE-2006-4758 is pending analysis. The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2006-4758?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-4758?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST