CVE-2013-4701

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-08-21 · updated 2026-06-16

Description

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.

Affected products

Janrain Php-Openid: through 2.2.2

References

http://jvn.jp/en/jp/JVN24713981/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000080
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00028.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00083.html
https://github.com/openid/php-openid/commit/625c16bb28bb120d262b3f19f89c2c06cb9b0da9
http://jvn.jp/en/jp/JVN24713981/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000080
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00028.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00083.html
https://github.com/openid/php-openid/commit/625c16bb28bb120d262b3f19f89c2c06cb9b0da9

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