Path Traversal in Betsy Cms

CVE-2009-4056

Directory traversal vulnerability in admin/popup.php in Betsy CMS 3.5 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the popup parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2009-11-24 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.025 (83.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Betsy Cms — versions 3.5

Weakness classification (CWE)

CWE-22 — Path Traversal

References

secunia.com/advisories/37422 (Vendor Advisory, third-party-advisory)
www.vupen.com/english/advisories/2009/3314 (vdb-entry, Vendor Advisory)
www.packetstormsecurity.org/0911-exploits/betsycms-lfi.txt (Exploit)