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Fencer Vulns
medium 5.3

CVE-2020-28977 json

The Canto plugin 1.3.0 for WordPress contains blind SSRF vulnerability.

published 2020-11-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21360

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.4%
EPSS 15.4% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. Published
  2. First public exploit (EDB-49189)

Exploit prediction

15.43% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-49189 Wordpress Plugin Canto 1.3.0 - Blind SSRF (Unauthenticated) webapps, 2020-12-04

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-918 Server-Side Request Forgery
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.