What is CVE-2023-45359?

CVE-2023-45359 is a medium-severity vulnerability in N/a, classified under Improper Encoding or Escaping of Output. CVSS score: 6.5/10. Published 2024-10-09.

How severe is CVE-2023-45359?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in N/a

CVE-2023-45359

An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup.

Published 2024-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

Frequently asked questions

What is CVE-2023-45359?: CVE-2023-45359 is a medium-severity vulnerability in N/a, classified under Improper Encoding or Escaping of Output. CVSS score: 6.5/10. Published 2024-10-09.
How severe is CVE-2023-45359?: Medium severity. CVSS v3 base score is 6.5 out of 10.