CVE-2021-40285

Name: CVE-2021-40285
Creator: NVD / NIST
Published: 2022-08-26T13:15:08.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2021-40285 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. htmly v2.8.1 was discovered to contain an arbitrary file deletion vulnerability via the component \views\backup.html.php.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

htmly v2.8.1 was discovered to contain an arbitrary file deletion vulnerability via the component \views\backup.html.php.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.82%

52.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Htmly	Htmly	2.8.1

References

https://github.com/danpros/htmly/issues/462Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/danpros/htmly/issues/462Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Aug 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40285?

htmly v2.8.1 was discovered to contain an arbitrary file deletion vulnerability via the component \views\backup.html.php.

How severe is CVE-2021-40285?

CVE-2021-40285 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40285?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40285?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST