onyx

onyx --cves cve-2020-36326

CVE-2020-36326

CRITWordPress
score
<0.1
cvss
9.8
epss
3.1%
published
2021-04-28
kev added
—
first seen

PHPMailer 6.1.8 through 6.4.0 contains a Phar deserialization caused by addAttachment with a UNC pathname, letting attackers perform object injection, exploit requires attacker to control attachment path.

Timeline

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

events2021-04-28 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 3.1%2026-09-23: epss 3.1%2026-09-24: epss 3.1%2026-09-25: epss 3.1%2026-09-26: epss 3.1%2026-09-27: epss 3.1%2026-09-28: epss 3.1%2026-09-29: epss 3.1%2026-09-30: epss 3.1%2026-10-01: epss 3.1%2026-10-02: epss 3.1%2026-10-03: epss 3.1%2026-10-04: epss 3.1%2026-10-05: epss 3.1%2026-10-06: epss 3.1%2026-10-07: epss 3.1%2026-10-08: epss 3.1%2026-10-09: epss 3.1%2026-10-10: epss 3.1%2026-10-11: epss 3.1%2026-10-12: epss 3.1%2026-10-13: epss 3.1%2026-10-14: epss 3.1%2026-10-15: epss 3.1%2026-10-16: epss 3.1%2026-10-18: epss 3.1%2026-10-19: epss 3.1%2026-10-20: epss 3.1%2026-10-21: epss 3.1%3.1%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-502

References 3