onyx

onyx --cves cve-2023-5718

CVE-2023-5718

MEDPOCVue.js
score
<0.1
cvss
4.3
epss
0.2%
published
2023-10-23
kev added
—
first seen

Vue.js Devtools extension contains a data leakage caused by leaking screenshot data via postMessage() API, letting malicious web pages access sensitive screenshot data, exploit requires attacker to host malicious web page with iframe.

Timeline

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

events2023-10-23 — PublishedP2026-10-21 (seen by) — Tracked by OnyxT2026-10-21 (seen by) — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.2%2026-09-23: epss 0.2%2026-09-24: epss 0.2%2026-09-25: epss 0.2%2026-09-26: epss 0.2%2026-09-27: epss 0.2%2026-09-28: epss 0.2%2026-09-29: epss 0.2%2026-09-30: epss 0.2%2026-10-01: epss 0.2%2026-10-02: epss 0.2%2026-10-03: epss 0.2%2026-10-04: epss 0.2%2026-10-05: epss 0.2%2026-10-06: epss 0.2%2026-10-07: epss 0.2%2026-10-08: epss 0.2%2026-10-09: epss 0.2%2026-10-10: epss 0.2%2026-10-11: epss 0.2%2026-10-12: epss 0.2%2026-10-13: epss 0.2%2026-10-14: epss 0.2%2026-10-15: epss 0.2%2026-10-16: epss 0.2%2026-10-18: epss 0.2%2026-10-19: epss 0.2%2026-10-20: epss 0.2%2026-10-21: epss 0.2%0.2%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-200 CWE-346

References 1