Chipmunk Blogger Script allows remote attackers to gain administrator privileges via a direct request to admin/reguser.php.

published 2009-02-03 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0403

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 1; Exploit-DB

Chipmunk Blogger Script allows remote attackers to gain administrator privileges via a direct request to admin/reguser.php. NOTE: this is only a vulnerability when the administrator does not properly follow installation directions.

Timeline

2009-01-28 First public exploit (EDB-7894)
2009-02-03 Published

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-7894 Chipmunk Blog - (Authentication Bypass) Add Admin webapps, 2009-01-28

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-16 Configuration
CWE-264 Permissions, Privileges, and Access Controls

References

exploit-db.com /exploits/7894
exploit

Sources

CVE List CVE-2009-0399
NVD CVE-2009-0399

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary