CVE-2015-3880: phpBB Open Redirect

phpbb/phpbb Updated 02 Oct 2025

Summary

17/05/2022
Yes i
Moderate
6.1

CVE-2015-3880: phpBB Open Redirect. Affects phpbb/phpbb across 2 version ranges.

< 3.0.14 >= 3.1.0, < 3.1.4

Fixed in 3.0.14 or 3.1.4, depending on the release line you run. How to fix ↓

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Background

phpBB is an open-source forum software written in PHP. It provides a platform for users to create and manage online discussion forums. The vulnerability identified as CVE-2015-3880 affects versions of phpBB prior to 3.0.14 and 3.1.x prior to 3.1.4. This vulnerability allows remote attackers to redirect users of Google Chrome to arbitrary websites and conduct phishing attacks.

Vulnerability Detail

The open redirect vulnerability in phpBB allows attackers to manipulate the redirection behavior of the software, leading users to unintended and potentially malicious websites. This can be exploited through unspecified vectors, enabling phishing attacks that can deceive users into revealing sensitive information or performing unintended actions. The vulnerability specifically targets users of Google Chrome, making them more susceptible to the attack.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 3.0.14 3.0.14
    composer require phpbb/phpbb:3.0.14
  • >= 3.1.0, < 3.1.4 3.1.4
    composer require phpbb/phpbb:3.1.4

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

Workaround

There is no specific workaround provided for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched versions of phpBB.

Conclusion

The open redirect vulnerability in phpBB can be exploited by attackers to redirect users of Google Chrome to malicious websites, potentially leading to phishing attacks. To mitigate this vulnerability, it is crucial to upgrade to the recommended patched versions of phpBB. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for phpbb/phpbb →

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FAQ

phpBB is an open-source forum software written in PHP that allows users to create and manage online discussion forums.

An open redirect vulnerability allows attackers to manipulate the redirection behavior of a software, leading users to unintended and potentially malicious websites.

This vulnerability affects users of phpBB versions prior to 3.0.14 and 3.1.x prior to 3.1.4. Attackers can redirect users of Google Chrome to arbitrary websites, potentially leading to phishing attacks.

To fix this vulnerability, it is recommended to upgrade to phpBB version 3.0.14 or later for phpBB 3.0.x installations, and version 3.1.4 or later for phpBB 3.1.x installations.

There is no specific workaround provided. It is crucial to apply the recommended fix by upgrading to the patched versions of phpBB.

Related vulnerabilities

Recent vulnerabilities recorded for phpbb/phpbb.

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How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 3.0.14 3.0.14
    composer require phpbb/phpbb:3.0.14
  • >= 3.1.0, < 3.1.4 3.1.4
    composer require phpbb/phpbb:3.1.4

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

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