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CVE-2007-1277

42
FAUCET Score

CVE-2007-1277 describes a critical backdoor present in specific distributions of WordPress 2.1.1, allowing remote attackers to execute arbitrary commands through eval injection in wp-includes/feed.php and untrusted passthru calls in wp-includes/theme.php. This vulnerability carries a CVSS score of 7.5, indicating high severity with a network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code is available on ExploitDB, though there is minimal community discussion or media coverage surrounding this decade-old flaw.

Impacted Technologies

VendorProductVersion(s)CPE
2.1.1CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
27.01%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-29701 · Mar 2, 2007
This CVE's current EPSS score of 0.2701 is in the 96th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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