CVE-2009-2334
CVE-2009-2334 is a medium-severity vulnerability in Wordpress with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.9)
- EPSS exploit prediction: 6% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Wordpress
- Published:
- Last modified:
Description
wp-admin/admin.php in WordPress and WordPress MU before 2.8.1 does not require administrative authentication to access the configuration of a plugin, which allows remote attackers to specify a configuration file in the page parameter to obtain sensitive information or modify this file, as demonstrated by the (1) collapsing-archives/options.txt, (2) akismet/readme.txt, (3) related-ways-to-take-action/options.php, (4) wp-security-scan/securityscan.php, and (5) wp-ids/ids-admin.php files. NOTE: this can be leveraged for cross-site scripting (XSS) and denial of service.
Frequently asked questions
- What is CVE-2009-2334?
- wp-admin/admin.php in WordPress and WordPress MU before 2.8.1 does not require administrative authentication to access the configuration of a plugin, which allows remote attackers to specify a configuration file in the page parameter to obtain sensitive information or modify this file, as demonstrated by the (1) collapsing-archives/options.txt, (2) akismet/readme.txt, (3) related-ways-to-take-action/options.php, (4) wp-security-scan/securityscan.php, and (5) wp-ids/ids-admin.php files. NOTE: this can be leveraged for cross-site scripting (XSS) and denial of service.
- How severe is CVE-2009-2334?
- CVE-2009-2334 has a CVSS 2.0 base score of 4.9, rated medium severity.
- Is CVE-2009-2334 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-2334?
- CVE-2009-2334 primarily affects Wordpress. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-2334?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-2334 published?
- CVE-2009-2334 was published on 2009-07-10 and last updated on 2026-06-16.
References
- http://corelabs.coresecurity.com/index.php?action=view&type=advisory&name=WordPress_Privileges_Unchecked
- http://securitytracker.com/id?1022528
- http://wordpress.org/development/2009/07/wordpress-2-8-1/
- http://www.debian.org/security/2009/dsa-1871
- http://www.exploit-db.com/exploits/9110
- http://www.osvdb.org/55712
- http://www.osvdb.org/55715
- http://www.securityfocus.com/archive/1/504795/100/0/threaded
- http://www.securityfocus.com/bid/35584
- http://www.vupen.com/english/advisories/2009/1833
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00597.html
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00608.html
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00632.html
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00676.html
Affected products (101)
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.6.2:beta_2:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.6.2.1:beta_2:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.7:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.71-gold:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.72:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.72:beta1:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.72:beta2:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.72:rc1:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:0.711:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0-platinum:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0.1-miles:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.0.2-blakey:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2:beta:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2-delta:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2-mingus:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5-strayhorn:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:1.6:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:*
More vulnerabilities in Wordpress
- CVE-2012-2400 — Critical (CVSS 10.0): Unspecified vulnerability in wp-includes/js/swfobject.js in WordPress before 3.3.2 has unknown impact and attack…
- CVE-2012-2399 — Critical (CVSS 10.0): Cross-site scripting (XSS) vulnerability in swfupload.swf in SWFupload 2.2.0.1 and earlier, as used in WordPress before…
- CVE-2011-3125 — Critical (CVSS 10.0): Unspecified vulnerability in WordPress 3.1 before 3.1.3 and 3.2 before Beta 2 has unknown impact and attack vectors…
- CVE-2011-3122 — Critical (CVSS 10.0): Unspecified vulnerability in WordPress 3.1 before 3.1.3 and 3.2 before Beta 2 has unknown impact and attack vectors…
- CVE-2009-2853 — Critical (CVSS 10.0): Wordpress before 2.8.3 allows remote attackers to gain privileges via a direct request to (1) admin-footer.php, (2)…
- CVE-2008-6767 — Critical (CVSS 10.0): wp-admin/upgrade.php in WordPress, probably 2.6.x, allows remote attackers to upgrade the application, and possibly…
All CVEs affecting Wordpress →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →