CVE-2021-22261

MEDIUM

4.8

CVSS Score

Published: October 5, 2021 at 01:59 PM UTC

Updated: June 17, 2026 at 03:36 AM UTC

1 product affected across 1 vendorGitLab

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Severity

MEDIUM4.8

Exploit prediction

EPSS 1.0%

Description

A stored Cross-Site Scripting vulnerability in the Jira integration in all GitLab versions starting from 13.9 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 allows an attacker to execute arbitrary JavaScript code on the victim's behalf via malicious Jira API responses

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

v < 14.0.9v < 14.1.4v < 14.2.213.9.0 ≤ v < 14.0.914.1.0 ≤ v < 14.1.414.2.0 ≤ v < 14.2.2

Affected range stops below 14.0.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.2.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22261.json

References (3)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22261.json

x_refsource_MISCBroken Link

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/328389

x_refsource_MISCPermissions RequiredThird Party Advisory

Source: [email protected]

https://hackerone.com/reports/1132083

CVSS

4.8MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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