SSRF in Canto

CVE-2020-28978

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/tree.php?subdomain=SSRF.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.154 (96.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-28978: held from 0.154 to 0.154.

EPSS over last 30 days · oldest: 0.154 · newest: 0.154 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28978?
CVE-2020-28978 is a medium-severity vulnerability in Canto, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2020-11-30.
How severe is CVE-2020-28978?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-28978 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.