CVE-2009-2851
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2...
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
Exploit likelihood
What each source reports
NVD Score used
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
CVE-2009-2851- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
CVE-2009-2851- Updated
- 2026-11-02
EUVDEUVD-2009-2841 No score
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
EUVD-2009-2841- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9q3x-8xjm-8642 No score
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2...
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
GHSA-9q3x-8xjm-8642- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV No score
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
CVE-2009-2851- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-2851 No score
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
- Record
DEBIAN-CVE-2009-2851- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 |
before 2.8.3-1 | 2.8.3-1 |
wordpressDebian:13 |
before 2.8.3-1 | 2.8.3-1 |
wordpressDebian:14 |
before 2.8.3-1 | 2.8.3-1 |
wordpressDebian:4.0 From an advisory covering 11 CVEs |
before 2.0.10-1etch4, plus listed versions 2.0.10-12.0.10-1etch12.0.10-1etch22.0.10-1etch32.0.10-1~bpo.12.0.9-1 |
2.0.10-1etch4 |
wordpressDebian:5.0 From an advisory covering 11 CVEs |
before 2.5.1-11+lenny1, plus listed versions 2.5.1-11 |
2.5.1-11+lenny1 |
wordpressDebian:4.0 From an advisory covering 11 CVEs |
before 2.0.10-1etch5, plus listed versions 2.0.10-12.0.10-1etch12.0.10-1etch22.0.10-1etch32.0.10-1etch42.0.10-1~bpo.12.0.9-1 |
2.0.10-1etch5 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | WordPress Core 2.8.1 - 'url' Cross-Site Scripting | 2009-07-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2851 is a medium vulnerability (CVSS 4.3) in Wordpress, published August 18, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.90%, the 94th percentile. Fixed in wordpress 2.8.3-1.