onyx

onyx --cves cve-2021-43617

CVE-2021-43617

CRITPOCLaravel
score
<0.1
cvss
9.8
epss
19.8%
published
2021-11-14
kev added
—
first seen

Laravel Framework through 8.70.2 contains a PHP content upload vulnerability caused by insufficient validation of .phar files in ValidatesAttributes.php, letting attackers upload executable PHP content, exploit requires upload of .phar files.

Timeline

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

events2021-11-14 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 19.8%2026-09-23: epss 19.8%2026-09-24: epss 19.8%2026-09-25: epss 19.8%2026-09-26: epss 19.8%2026-09-27: epss 19.8%2026-09-28: epss 19.8%2026-09-29: epss 19.8%2026-09-30: epss 19.8%2026-10-01: epss 19.8%2026-10-02: epss 19.8%2026-10-03: epss 19.8%2026-10-04: epss 19.8%2026-10-05: epss 19.8%2026-10-06: epss 19.8%2026-10-07: epss 19.8%2026-10-08: epss 19.8%2026-10-09: epss 19.8%2026-10-10: epss 19.8%2026-10-11: epss 19.8%2026-10-12: epss 19.8%2026-10-13: epss 19.8%2026-10-14: epss 19.8%2026-10-15: epss 19.8%2026-10-16: epss 19.8%2026-10-18: epss 19.8%2026-10-19: epss 19.8%2026-10-20: epss 19.8%2026-10-21: epss 19.8%19.8%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-434

References 3