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Vulnerability record · CVE-2007-1277 · published 5 March 2007

CVE-2007-1277: Wordpress improper input validation vulnerability

Wordpress · Wordpress

WordPress 2.1.1, as downloaded from some official distribution sites during February and March 2007, contains an externally introduced backdoor that allows remote attackers to execute arbitrary commands via (1) an eval injection vulnerability in the ix parameter to wp-includes/feed.php, and (2) an untrusted passthru call in the iz parameter to wp-includes/theme.php.

7.5 CVSS 2.0 High EPSS 27% · top 2.0% CWE-20 · Improper input validation
7.5CVSS 2.0 base score
27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

WordPress 2.1.1, as downloaded from some official distribution sites during February and March 2007, contains an externally introduced backdoor that allows remote attackers to execute arbitrary commands via (1) an eval injection vulnerability in the ix parameter to wp-includes/feed.php, and (2) an untrusted passthru call in the iz parameter to wp-includes/theme.php.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ifsec.blogspot.com/2007/03/wordpress-code-compromised-to-enable.html Exploit
http://secunia.com/advisories/24374 Vendor Advisory
http://wordpress.org/development/2007/03/upgrade-212/ Vendor Advisory
http://www.kb.cert.org/vuls/id/214480 US Government Resource
http://www.kb.cert.org/vuls/id/641456 US Government Resource
http://www.securityfocus.com/archive/1/461794/100/0/threaded
http://www.securityfocus.com/bid/22797
http://www.vupen.com/english/advisories/2007/0812
https://exchange.xforce.ibmcloud.com/vulnerabilities/32804
https://exchange.xforce.ibmcloud.com/vulnerabilities/32807
http://ifsec.blogspot.com/2007/03/wordpress-code-compromised-to-enable.html Exploit
http://secunia.com/advisories/24374 Vendor Advisory
http://wordpress.org/development/2007/03/upgrade-212/ Vendor Advisory
http://www.kb.cert.org/vuls/id/214480 US Government Resource
http://www.kb.cert.org/vuls/id/641456 US Government Resource
http://www.securityfocus.com/archive/1/461794/100/0/threaded
http://www.securityfocus.com/bid/22797
http://www.vupen.com/english/advisories/2007/0812
https://exchange.xforce.ibmcloud.com/vulnerabilities/32804
https://exchange.xforce.ibmcloud.com/vulnerabilities/32807

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-1277), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.