TI-2016-01880 Aliases CVE-2016-2049 GHSA-w7j5-jxx6-p7j4

examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly…

MEDIUM 42CWE-284Published 2016-02-01 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly checks the openid.realm parameter against the SERVER_NAME element in the SERVER superglobal array, which might allow remote attackers to hijack the authentication of arbitrary users via vectors involving a crafted HTTP Host header.

Why it matters now

EPSS 0.02171 82nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:janrain:php-openid::::::::	all versions	Vulnerable	Janrain

cpe:2.3:a:janrain:php-openid:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Janrain

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2016-2049
2026-10-03 Alias added: GHSA-w7j5-jxx6-p7j4

References

Other 2

TI-2013-04122 Auth/Yadis/XML.php in PHP OpenID Library 2.2.2 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
TI-2011-03264 JanRain PHP OpenID library (aka php-openid) 2.2.2 allows remote attackers to obtain… CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences