What is CVE-2009-4170?

CVE-2009-4170 is a vulnerability in Roytanck Wp-Cumulus, classified under Information Disclosure. Published 2009-12-02.

Is CVE-2009-4170 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Roytanck Wp-Cumulus

CVE-2009-4170

WP-Cumulus Plug-in 1.20 for WordPress, and possibly other versions, allows remote attackers to obtain sensitive information via a crafted request to wp-cumulus.php, probably without parameters, which reveals the installation path in an error message.

Vulnerability class: Information Disclosure

Published 2009-12-02 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.064 (93.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.064 · newest: 0.064 · change: 0.000

Affected products

Roytanck Wp-Cumulus — versions 1.20
WordPress

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

20142995/nuclei-templates

References

websecurity.com.ua/3665/ (Exploit)
www.securityfocus.com/archive/1/508071/100/0/threaded (mailing-list)

Frequently asked questions

What is CVE-2009-4170?: CVE-2009-4170 is a vulnerability in Roytanck Wp-Cumulus, classified under Information Disclosure. Published 2009-12-02.
Is CVE-2009-4170 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.