CVE-2009-1030
UnknownEPSS 4.66%
Last modified
CVE-2009-1030 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.66% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Wordpress | Wordpress Mu | <= 2.6 | — |
| Wordpress | Wordpress Mu | 1.0 | — |
| Wordpress | Wordpress Mu | 1.1 | — |
| Wordpress | Wordpress Mu | 1.1.1 | — |
| Wordpress | Wordpress Mu | 1.2 | — |
| Wordpress | Wordpress Mu | 1.2.1 | — |
| Wordpress | Wordpress Mu | 1.2.2 | — |
| Wordpress | Wordpress Mu | 1.2.3 | — |
| Wordpress | Wordpress Mu | 1.2.4 | — |
| Wordpress | Wordpress Mu | 1.2.5a | — |
| Wordpress | Wordpress Mu | 1.3 | — |
| Wordpress | Wordpress Mu | 1.3.1 | — |
| Wordpress | Wordpress Mu | 1.3.2 | — |
| Wordpress | Wordpress Mu | 1.3.3 | — |
| Wordpress | Wordpress Mu | 1.5 | Rc1 |
| Wordpress | Wordpress Mu | 1.5.1 | — |
| Wordpress | Wordpress Mu | 2.6.1 | — |
| Wordpress | Wordpress Mu | 2.6.2 | — |
| Wordpress | Wordpress Mu | 2.6.3 | — |
| Wordpress | Wordpress Mu | 2.6.5 | — |
| Wordpress | Wordpress Mu | 2.7 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-1030?
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.
How severe is CVE-2009-1030?
Severity scoring for CVE-2009-1030 is pending analysis. The EPSS model estimates a 4.66% probability of exploitation in the next 30 days.
How do I fix CVE-2009-1030?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2009-1030?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST