What is CVE-2021-33354?

CVE-2021-33354 is a high-severity vulnerability in Htmly, classified under Path Traversal. CVSS score: 8.1/10. Published 2022-09-30.

How severe is CVE-2021-33354?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Htmly

CVE-2021-33354

Directory Traversal vulnerability in htmly before 2.8.1 allows remote attackers to perform arbitrary file deletions via modified file parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.002

Affected products

Htmly

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/danpros/htmly/issues/462 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-33354?: CVE-2021-33354 is a high-severity vulnerability in Htmly, classified under Path Traversal. CVSS score: 8.1/10. Published 2022-09-30.
How severe is CVE-2021-33354?: High severity. CVSS v3 base score is 8.1 out of 10.