How severe is CVE-2021-22227?

CVE-2021-22227 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-22227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22227?

CVE-2021-22227 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22227?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22227 published?

CVE-2021-22227 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-22227

CVE-2021-22227 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gitlab
Published: 2021-07-07
Last modified: 2026-06-17

Description

A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it

Frequently asked questions

What is CVE-2021-22227?: A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it
How severe is CVE-2021-22227?: CVE-2021-22227 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-22227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22227?: CVE-2021-22227 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22227 published?: CVE-2021-22227 was published on 2021-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:-:*:*:*

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