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Fencer Vulns
critical 9.0

CVE-2022-28101 json

Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection.

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-32586

cvss
9.0
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 63%
public exploits
0
none known

Summary

Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection.

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cybercitadel.com https://www.cybercitadel.com/html-injection-turtl/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/turtl/tracker/issues/404 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

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.