How severe is CVE-2023-1836?

CVE-2023-1836 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-1836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1836?

CVE-2023-1836 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1836?

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

When was CVE-2023-1836 published?

CVE-2023-1836 was published on 2023-05-03 and last updated on 2026-06-17.

CVE-2023-1836

CVE-2023-1836 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 4.4. 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 4.4)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gitlab
Published: 2023-05-03
Last modified: 2026-06-17

Description

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances

Frequently asked questions

What is CVE-2023-1836?: A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances
How severe is CVE-2023-1836?: CVE-2023-1836 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-1836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1836?: CVE-2023-1836 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1836 published?: CVE-2023-1836 was published on 2023-05-03 and last updated on 2026-06-17.

References

Affected products (1)

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

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