phpBB up to 3.0.11 includes/startup.php cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in phpBB up to 3.0.11 (Forum Software). It has been classified as problematic. Affected is an unknown code of the file includes/startup.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in includes/startup.php in phpBB before 3.0.13 allows remote attackers to inject arbitrary web script or HTML via vectors related to "Relative Path Overwrite."

The weakness was presented 02/10/2015 (Website). The advisory is shared for download at This vulnerability is traded as CVE-2015-1431 since 01/31/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:includes/startup.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 96419 (GLSA-201701-25 : phpBB: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13120 (phpBB Cross-Site Scripting and Cross-Site Request Forgery Vulnerabilities).

Upgrading to version 3.0.12 eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (100670), Tenable (96419) and SecurityFocus (BID 72405†). See VDB-74149 for similar entry.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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Current Price Estimation: 🔍


Nessus ID: 96419
Nessus Name: GLSA-201701-25 : phpBB: Multiple vulnerabilities
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

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Upgrade: phpBB 3.0.12


01/31/2015 🔍
02/02/2015 +2 days 🔍
02/10/2015 +8 days 🔍
02/10/2015 +0 days 🔍
03/30/2015 +48 days 🔍
01/11/2017 +653 days 🔍
01/12/2017 +1 days 🔍
04/16/2022 +1920 days 🔍



Advisory: eaeb88133f1f028fa06f0ebe5639668436fd469e
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-1431 (🔍)
X-Force: 100670
SecurityFocus: 72405 - phpBB CVE-2015-1431 CSS Injection Vulnerability

See also: 🔍


Created: 03/30/2015 12:04 PM
Updated: 04/16/2022 10:05 AM
Changes: 03/30/2015 12:04 PM (56), 04/10/2018 11:18 AM (11), 04/16/2022 10:04 AM (4), 04/16/2022 10:05 AM (1)
Complete: 🔍
Cache ID: 44:922:40


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