CVE-2021-40285 json
htmly v2.8.1 was discovered to contain an arbitrary file deletion vulnerability via the component \views\backup.html.php.
published 2022-08-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27469
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
htmly v2.8.1 was discovered to contain an arbitrary file deletion vulnerability via the component \views\backup.html.php.
Patch / fix
- github.com/danpros/htmly/issues/462 advisory
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/danpros/htmly/issues/462 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/danpros/htmly/issues/462
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2021-40285
- NVD CVE-2021-40285
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.