How severe is CVE-2020-13331?

CVE-2020-13331 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-13331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13331?

CVE-2020-13331 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13331?

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

When was CVE-2020-13331 published?

CVE-2020-13331 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-13331

CVE-2020-13331 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gitlab
Published: 2020-09-30
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the Wiki pasges.

Frequently asked questions

What is CVE-2020-13331?: An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the Wiki pasges.
How severe is CVE-2020-13331?: CVE-2020-13331 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-13331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13331?: CVE-2020-13331 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13331 published?: CVE-2020-13331 was published on 2020-09-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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