CVE-2009-1030

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-03-20 · updated 2026-06-16
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the choose_primary_blog function in wp-includes/wpmu-functions.php in WordPress MU (WPMU) before 2.7 allows remote attackers to inject arbitrary web script or HTML via the HTTP Host header.

Affected products

Wordpress Mu: through 2.6; 1.0, 1.0-rc1, 1.0-rc2, 1.0-rc3, 1.0-rc4, 1.1 (+19)

References

http://marc.info/?l=bugtraq&m=126996727024732&w=2
http://www.securityfocus.com/archive/1/501667/100/0/threaded
http://www.securityfocus.com/bid/34075
http://www.securitytracker.com/id?1021838
https://exchange.xforce.ibmcloud.com/vulnerabilities/49184
https://www.exploit-db.com/exploits/8196
http://marc.info/?l=bugtraq&m=126996727024732&w=2
http://www.securityfocus.com/archive/1/501667/100/0/threaded
http://www.securityfocus.com/bid/34075
http://www.securitytracker.com/id?1021838
https://exchange.xforce.ibmcloud.com/vulnerabilities/49184
https://www.exploit-db.com/exploits/8196

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