CVE-2004-0339

Cross-site scripting (XSS) vulnerability in ViewTopic.php in phpBB, possibly 2.0.6c and earlier, allows remote attackers to execute arbitrary script or HTML as other users via the postorder parameter.

Published: 2004-11-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-0339 is rated Moderate Risk (51.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.36%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-0339

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.83% 1.36% +0.53%
2 2025-03-30 0.63% 0.83% +0.20%
3 2025-03-29 0.63%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0339

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2004-0339

NVD evaluator notes for CVE-2004-0339

Solution: This vulnerability is addressed in the following product release: phpBB Group, phpBB, 2.0.7

Affected software / configurations for CVE-2004-0339

Vendor Product Version Raw CPE
phpbb_group phpbb 2.0 cpe:2.3:a:phpbb_group:phpbb:2.0:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.1 cpe:2.3:a:phpbb_group:phpbb:2.0.1:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.2 cpe:2.3:a:phpbb_group:phpbb:2.0.2:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.3 cpe:2.3:a:phpbb_group:phpbb:2.0.3:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.4 cpe:2.3:a:phpbb_group:phpbb:2.0.4:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.5 cpe:2.3:a:phpbb_group:phpbb:2.0.5:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.6 cpe:2.3:a:phpbb_group:phpbb:2.0.6:*:*:*:*:*:*:*
phpbb_group phpbb 2.0.6c cpe:2.3:a:phpbb_group:phpbb:2.0.6c:*:*:*:*:*:*:*
phpbb_group phpbb 2.0_rc4 cpe:2.3:a:phpbb_group:phpbb:2.0_rc4:*:*:*:*:*:*:*

References for CVE-2004-0339

cvelogic Threat Intelligence