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Fencer Intel
medium 6.5

CVE-2020-23766 json

An arbitrary file deletion vulnerability was discovered on htmly v2.7.5 which allows remote attackers to use any absolute path to delete an…

published 5y ago modified 4mo ago also EUVD-2020-16506

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

An arbitrary file deletion vulnerability was discovered on htmly v2.7.5 which allows remote attackers to use any absolute path to delete any file in the server should they gain Administrator privileges.

Patch / fix

Is CVE-2020-23766 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/danpros/htmly/issues/412 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:N/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel 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.