CVE-2009-2851 : Cross-site scripting (XSS) vulnerability in the administrator interface in WordP

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.

Published 2009-08-18 21:00:01

Updated 2025-04-09 00:30:58

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2009-2851

Wordpress » Wordpress
Versions up to, including, (<=) 2.8.1
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2009-2851

Top countries where our scanners detected CVE-2009-2851

Top open port discovered on systems with this issue 80

IPs affected by CVE-2009-2851 2

Find out if you^* are affected by CVE-2009-2851!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-2851

EPSS FAQ

2.22%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 83 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-2851

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None

CWE ids for CVE-2009-2851

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-2851

http://www.debian.org/security/2009/dsa-1871

[SECURITY] [DSA 1871-1] New wordpress packages fix several vulnerabilities
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2009/07/21/1

oss-security - CVE Request -- WordPress
Mailing List;Third Party Advisory
http://securitytracker.com/id?1022589

Access Denied
Third Party Advisory;VDB Entry
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01253.html

[SECURITY] Fedora 10 Update: wordpress-2.8.2-1.fc10
Mailing List;Third Party Advisory
http://wordpress.org/development/2009/07/wordpress-2-8-2/

WordPress 2.8.2 – WordPress News
Patch;Vendor Advisory
http://bugs.gentoo.org/show_bug.cgi?id=278492

278492 – <www-apps/wordpress-2.8.2 XSS Vulnerability in Comment author URLs (CVE-2009-2851)
Issue Tracking;Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=512900

512900 – (CVE-2009-2851) CVE-2009-2851 WordPress: XSS via unescaped HTML URLs as author comments in the admin page
Issue Tracking;Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01241.html

[SECURITY] Fedora 11 Update: wordpress-2.8.2-1.fc11
Mailing List;Third Party Advisory