In JetBrains IntelliJ IDEA before 2022.1 HTML injection into IDE messages was possible

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34136

cvss: 2.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

Patch / fix

fixed in 1

jetbrains intellij_idea 2022.1

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	3.2	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected products

JetBrains IntelliJ IDEA

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
CWE-79 Improper Neutralization of Input During Web Page Generation

References

jetbrains.com /privacy-security/issues-fixed/
vendor-advisory

Sources

CVE List CVE-2022-29816
NVD CVE-2022-29816

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.

Summary