What is CVE-2022-45558?

CVE-2022-45558 is a medium-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.

How severe is CVE-2022-45558?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apple macOS

CVE-2022-45558

Cross site scripting (XSS) vulnerability in Hundredrabbits Left 7.1.5 for MacOS allows attackers to execute arbitrary code via the meta tag.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apple macOS
Left Project — versions 7.1.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/hundredrabbits/Left/issues/168 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-45558?: CVE-2022-45558 is a medium-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.
How severe is CVE-2022-45558?: Medium severity. CVSS v3 base score is 6.1 out of 10.