How severe is CVE-2022-23733?

CVE-2022-23733 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-2022-23733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23733?

CVE-2022-23733 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23733?

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

When was CVE-2022-23733 published?

CVE-2022-23733 was published on 2022-08-02 and last updated on 2026-06-17.

CVE-2022-23733

CVE-2022-23733 is a medium-severity vulnerability in Github Enterprise Server 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)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Github Enterprise Server
Published: 2022-08-02
Last modified: 2026-06-17

Description

A stored XSS vulnerability was identified in GitHub Enterprise Server that allowed the injection of arbitrary attributes. This injection was blocked by Github's Content Security Policy (CSP). This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program.

Frequently asked questions

What is CVE-2022-23733?: A stored XSS vulnerability was identified in GitHub Enterprise Server that allowed the injection of arbitrary attributes. This injection was blocked by Github's Content Security Policy (CSP). This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program.
How severe is CVE-2022-23733?: CVE-2022-23733 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-2022-23733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23733?: CVE-2022-23733 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23733?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23733 published?: CVE-2022-23733 was published on 2022-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*

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