TI-2013-04122 Aliases CVE-2013-4701 GHSA-5qp6-78pr-gv8c

Auth/Yadis/XML.php in PHP OpenID Library 2.2.2 and earlier allows remote attackers to…

LOW 38CWE-400Published 2013-08-21 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

Auth/Yadis/XML.php in PHP OpenID Library 2.2.2 and earlier allows remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via XRDS data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Why it matters now

EPSS 0.02997 87th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed openid/php-openid (Packagist): 2.3.0typo3/cms (Packagist): 6.2.6

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
—	openid/php-openid (Packagist)	before 2.3.0	2.3.0	Patch available	GHSA-5qp6-78pr-gv8c
—	typo3/cms (Packagist)	6.2.0 to before 6.2.6	6.2.6	Patch available	GHSA-5qp6-78pr-gv8c

— Vendor— Affected all versions Fixed in — No fix listed CNA
openid/php-openid (Packagist) Vendor— Affected before 2.3.0 Fixed in 2.3.0 Patch available GHSA-5qp6-78pr-gv8c
typo3/cms (Packagist) Vendor— Affected 6.2.0 to before 6.2.6 Fixed in 6.2.6 Patch available GHSA-5qp6-78pr-gv8c

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:janrain:php-openid::::::::	up to 2.2.2	Vulnerable	Janrain

cpe:2.3:a:janrain:php-openid:*:*:*:*:*:*:*:* Versions up to 2.2.2 Vulnerable ·Janrain

Remediation

Fix · GHSA-5qp6-78pr-gv8c openid/php-openid (Packagist) Fixed in 2.3.0 Advisory →
Fix · GHSA-5qp6-78pr-gv8c typo3/cms (Packagist) Fixed in 6.2.6 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2013-4701
2026-10-03 Alias added: GHSA-5qp6-78pr-gv8c

References

Exploit 1

https://github.com/openid/php-openid/commit/625c16bb28bb120d262b3f19f89c2c06cb9b0da9

Advisory 5

Other 4

TI-2016-01880 examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly… CVSS 3.0HIGH 8.8
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