CVE-2007-1277

Exp

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.

Published: 2007-03-05 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-1277 is rated High Exploit Risk (78.8/100): CVSS High severity, with high exploitation likelihood (EPSS 84.86%, 99th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-1277

EDB-ID Source Kind Published Link
29701 exploit_db edb 2007-03-02 Exploit-DB ↗
29702 exploit_db edb 2007-03-02 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-1277

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-14 85.84% 84.86% -0.98%
2 2026-05-13 84.86% 85.84% +0.98%
3 2025-10-22 — 84.86% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-1277

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2007-1277

OS Trackers for CVE-2007-1277

vendor priority summary link
debian unimportant CVE-2007-1277 unimportant priority: Debian including 1 source packages (wordpress), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-1277
ubuntu medium CVE-2007-1277 medium priority: Ubuntu including 1 source packages (wordpress), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-1277

NVD evaluator notes for CVE-2007-1277

Solution: This vulnerability is addressed in the following product update: http://wordpress.org/development/2007/03/upgrade-212/

Affected software / configurations for CVE-2007-1277

Vendor Product Version Raw CPE
wordpress wordpress 2.1.1 cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:*

References for CVE-2007-1277

cvelogic Threat Intelligence