onyx

onyx --cves cve-2018-15133

CVE-2018-15133

HIGHKEVPOCLaravel
score
<0.1
cvss
8.1
epss
76.6%
published
2018-08-09
kev added
2024-01-16
first seen

Laravel Framework versions 5.5.40 and 5.6.x through 5.6.29 contain a remote code execution caused by unserialize call on untrusted X-XSRF-TOKEN value in Encrypter.php and phpggc gadgetchains, letting attackers with prior access execute arbitrary code, exploit requires attacker to know the application key.

Timeline

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

events2018-08-09 — PublishedP2024-01-16 — Added to CISA KEVK2026-10-21 (seen by) — Tracked by OnyxT2026-10-21 (seen by) — Public PoC: http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.htmlXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 76.8%2026-09-23: epss 76.8%2026-09-24: epss 76.8%2026-09-25: epss 76.8%2026-09-26: epss 76.8%2026-09-27: epss 76.8%2026-09-28: epss 76.8%2026-09-29: epss 76.8%2026-09-30: epss 76.8%2026-10-01: epss 76.8%2026-10-02: epss 76.8%2026-10-03: epss 76.8%2026-10-04: epss 76.8%2026-10-05: epss 76.8%2026-10-06: epss 76.8%2026-10-07: epss 76.8%2026-10-08: epss 76.8%2026-10-09: epss 76.8%2026-10-10: epss 76.8%2026-10-11: epss 76.8%2026-10-12: epss 76.8%2026-10-13: epss 76.8%2026-10-14: epss 76.6%2026-10-15: epss 76.6%2026-10-16: epss 76.6%2026-10-18: epss 76.6%2026-10-19: epss 76.6%2026-10-20: epss 76.6%2026-10-21: epss 76.6%76.6%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx
  4. Public PoC http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html

Exploit availability

Weaknesses

CWE-502

References 11