What is CVE-2013-2743?

CVE-2013-2743 is a vulnerability in Ithemes Backupbuddy, classified under Improper Authentication. Published 2013-04-02.

Is CVE-2013-2743 known to be exploited?

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

Auth bypass in Ithemes Backupbuddy

CVE-2013-2743

importbuddy.php in the BackupBuddy plugin 1.3.4, 2.1.4, 2.2.25, 2.2.28, and 2.2.4 for WordPress allows remote attackers to bypass authentication via a crafted integer in the step parameter.

Vulnerability class: Broken Authentication

Published 2013-04-02 · 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: 0.026 (84.9th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Ithemes Backupbuddy — versions 1.3.4, 2.1.4, 2.2.4
WordPress

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

20142995/nuclei-templates

References

packetstormsecurity.com/files/120923 (Exploit)
archives.neohapsis.com/archives/fulldisclosure/2013-03/0205.html (mailing-list, Exploit)

Frequently asked questions

What is CVE-2013-2743?: CVE-2013-2743 is a vulnerability in Ithemes Backupbuddy, classified under Improper Authentication. Published 2013-04-02.
Is CVE-2013-2743 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.