onyx

onyx --cves cve-2020-8167

CVE-2020-8167

MEDPOCRuby on Rails
score
<0.1
cvss
6.5
epss
1.5%
published
2020-06-19
kev added
—
first seen

Rails <= 6.0.3 rails-ujs module contains a cross-site request forgery caused by sending CSRF tokens to wrong domains, letting attackers perform unauthorized actions on behalf of users, exploit requires victim to visit malicious site.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2020-06-19 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.5%2026-09-23: epss 1.5%2026-09-24: epss 1.5%2026-09-25: epss 1.5%2026-09-26: epss 1.5%2026-09-27: epss 1.5%2026-09-28: epss 1.5%2026-09-29: epss 1.5%2026-09-30: epss 1.5%2026-10-01: epss 1.5%2026-10-02: epss 1.5%2026-10-03: epss 1.5%2026-10-04: epss 1.5%2026-10-05: epss 1.5%2026-10-06: epss 1.5%2026-10-07: epss 1.5%2026-10-08: epss 1.5%2026-10-09: epss 1.5%2026-10-10: epss 1.5%2026-10-11: epss 1.5%2026-10-12: epss 1.5%2026-10-13: epss 1.5%2026-10-14: epss 1.5%2026-10-15: epss 1.5%2026-10-16: epss 1.5%2026-10-18: epss 1.5%2026-10-19: epss 1.5%2026-10-20: epss 1.5%2026-10-21: epss 1.5%1.5%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-352

References 3