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Fencer Intel
critical 9.8

CVE-2019-10100 json

In JetBrains YouTrack Confluence plugin versions before 1.8.1.3, it was possible to achieve Server Side Template Injection.

published 2019-07-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-2143

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

In JetBrains YouTrack Confluence plugin versions before 1.8.1.3, it was possible to achieve Server Side Template Injection. The attacker could add an Issue macro to the page in Confluence, and use a combination of a valid id field and specially crafted code in the link-text-template field to execute code remotely.

Patch / fix

  • jetbrains youtrack_integration 1.8.1.3

Exploit prediction

2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.