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Fencer Vulns
low 3.9

CVE-2022-29817 json

In JetBrains IntelliJ IDEA before 2022.1 reflected XSS via error messages in internal web server was possible

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34137

cvss
3.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

In JetBrains IntelliJ IDEA before 2022.1 reflected XSS via error messages in internal web server was possible

Patch / fix

  • jetbrains intellij_idea 2022.1

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • JetBrains IntelliJ IDEA

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.