CVE-2015-3880

phpBB Open Redirect

6.1 MediumFix available

Open redirect vulnerability in phpBB before 3.0.14 and 3.1.x before 3.1.4 allows remote attackers to redirect users of Google Chrome to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

2.05%Up 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2015-3880
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness: CWE-601
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-3880
Updated: 2026-11-02

EUVDEUVD-2022-4231 No score

Record: EUVD-2022-4231
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hwq7-cvp8-6hm3 6.1

phpBB Open Redirect

Record: GHSA-hwq7-cvp8-6hm3
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSVGHSA-hwq7-cvp8-6hm3 6.1

phpBB Open Redirect

Record: GHSA-hwq7-cvp8-6hm3
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-3880 6.1

Record: UBUNTU-CVE-2015-3880
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

phpbb

Affected packages

Affected packages
Package	Affected	Fixed
`phpbb/phpbb` Packagist	before 3.0.14	3.0.14
`phpbb/phpbb` Packagist	3.1.0 up to 3.1.4	3.1.4
`phpbb/phpbb` Packagist	before 3.0.14, plus listed versions 3.0.123.0.12-RC13.0.12-RC23.0.12-RC33.0.133.0.13-PL13.0.13-RC13.0.14-RC1	3.0.14
`phpbb/phpbb` Packagist	3.1.0 up to 3.1.4, plus listed versions 3.1.13.1.23.1.2-RC13.1.33.1.3-RC13.1.3-RC23.1.4-RC13.1.4-RC2	3.1.4
`phpbb3` Ubuntu:Pro:14.04:LTS	before 3.0.12-1ubuntu0.1~esm1, plus listed versions 3.0.11-53.0.12-1	3.0.12-1ubuntu0.1~esm1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3880 is a medium vulnerability (CVSS 6.1) in Phpbb, published September 19, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. Fixed in phpbb/phpbb 3.0.14.

References

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