CVE-2009-1030

MEDIUM 4.3CVE-2009-1030 · Published 20/03/2009 · updated 16/06/2026

In short

CVE-2009-1030 is a MEDIUM (CVSS 4.3) vulnerability affecting wordpress mu (wordpress).
Chance of exploitation in the next 30 days (EPSS): 4.7%, higher than 91.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
wordpress mu wordpress	`= 1.0= 1.1= 1.1.1= 1.2= 1.2.1= 1.2.2= 1.2.3= 1.2.4= 1.2.5a= 1.3= 1.3.1= 1.3.2= 1.3.3= 1.5= 1.5.1= 2.6.1= 2.6.2= 2.6.3= 2.6.5= 2.7≤ 2.6`	No fix yet

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.

References

More vulnerabilities in wordpress mu

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

wordpress mu

wordpress

= 1.0= 1.1= 1.1.1= 1.2= 1.2.1= 1.2.2= 1.2.3= 1.2.4= 1.2.5a= 1.3= 1.3.1= 1.3.2= 1.3.3= 1.5= 1.5.1= 2.6.1= 2.6.2= 2.6.3= 2.6.5= 2.7≤ 2.6

No fix yet

More vulnerabilities in wordpress mu

See all →