onyx

onyx --cves cve-2023-27043

CVE-2023-27043

score
<0.1
cvss
5.3
epss
2.5%
published
2023-04-19
kev added
—
first seen

Python email module through 3.11.3 contains an address parsing flaw caused by incorrect handling of special characters in email addresses, letting attackers bypass domain verification, exploit requires sending crafted email addresses.

Timeline

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

events2023-04-19 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 2.5%2026-09-23: epss 2.5%2026-09-24: epss 2.5%2026-09-25: epss 2.5%2026-09-26: epss 2.5%2026-09-27: epss 2.5%2026-09-28: epss 2.5%2026-09-29: epss 2.5%2026-09-30: epss 2.5%2026-10-01: epss 2.5%2026-10-02: epss 2.5%2026-10-03: epss 2.5%2026-10-04: epss 2.5%2026-10-05: epss 2.5%2026-10-06: epss 2.5%2026-10-07: epss 2.5%2026-10-08: epss 2.5%2026-10-09: epss 2.5%2026-10-10: epss 2.5%2026-10-11: epss 2.5%2026-10-12: epss 2.5%2026-10-13: epss 2.5%2026-10-14: epss 2.5%2026-10-15: epss 2.5%2026-10-16: epss 2.5%2026-10-18: epss 2.5%2026-10-19: epss 2.5%2026-10-20: epss 2.5%2026-10-21: epss 2.5%2.5%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-20

References 28

3 more