What is CVE-2010-4403?

CVE-2010-4403 is a vulnerability in Devbits Register-Plus, classified under Information Disclosure. Published 2010-12-06.

Is CVE-2010-4403 known to be exploited?

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

Information disclosure in Devbits Register-Plus

CVE-2010-4403

The Register Plus plugin 3.5.1 and earlier for WordPress allows remote attackers to obtain sensitive information via a direct request to (1) dash_widget.php and (2) register-plus.php, which reveals the installation path in an error message.

Vulnerability class: Information Disclosure

Published 2010-12-06 · 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: 0.024 (83.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Devbits Register-Plus — versions 3.0.1, 3.4.1, 3.0
WordPress

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

20142995/nuclei-templates

References

websecurity.com.ua/4539 (Exploit)
packetstormsecurity.org/files/view/96143/registerplus-xss.txt (Exploit)
www.securityfocus.com/archive/1/514903/100/0/threaded (mailing-list)

Frequently asked questions

What is CVE-2010-4403?: CVE-2010-4403 is a vulnerability in Devbits Register-Plus, classified under Information Disclosure. Published 2010-12-06.
Is CVE-2010-4403 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.