onyx

onyx --cves cve-2020-28040

CVE-2020-28040

score
<0.1
cvss
4.3
epss
1.1%
published
2020-11-02
kev added
—
first seen

WordPress before 5.5.2 contains a cross-site request forgery caused by insufficient validation in theme background image change functionality, letting attackers perform unauthorized changes, 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.

events2020-11-02 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.1%2026-09-23: epss 1.1%2026-09-24: epss 1.1%2026-09-25: epss 1.1%2026-09-26: epss 1.1%2026-09-27: epss 1.1%2026-09-28: epss 1.1%2026-09-29: epss 1.1%2026-09-30: epss 1.1%2026-10-01: epss 1.1%2026-10-02: epss 1.1%2026-10-03: epss 1.1%2026-10-04: epss 1.1%2026-10-05: epss 1.1%2026-10-06: epss 1.1%2026-10-07: epss 1.1%2026-10-08: epss 1.1%2026-10-09: epss 1.1%2026-10-10: epss 1.1%2026-10-11: epss 1.1%2026-10-12: epss 1.1%2026-10-13: epss 1.1%2026-10-14: epss 1.1%2026-10-15: epss 1.1%2026-10-16: epss 1.1%2026-10-18: epss 1.1%2026-10-19: epss 1.1%2026-10-20: epss 1.1%2026-10-21: epss 1.1%1.1%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-352

References 7