WordPress security changelog
MEDIUM CVE-2020-28977 Modified

Canto: Server-side request forgery

Canto is affected by server-side request forgery. The vulnerable path is reachable without authentication. The vulnerable server can be induced to make attacker-selected network requests.

CVE / CNA score 5.3 CVSS · cve@mitre.org
NVD score 5.3 CVSS 3.1 · nvd@nist.gov
Component
Canto
Plugin slug
canto
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 30, 2020
Weakness
CWE-918 — Server-Side Request Forgery (SSRF)

This CVE was published Nov 30, 2020 and is one of 9 known issues for this plugin.

Update, patch or deactivate.

Update Canto to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Canto plugin 1.3.0 for WordPress contains blind SSRF vulnerability. It allows an unauthenticated attacker can make a request to any internal and external server via /includes/lib/get.php?subdomain=SSRF.

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources