CVE-2023-38000 - CVE House
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Status published Medium CVE-2023-38000

Auth. Stored Cross-Site Scripting (XSS) vulnerability in WordPress core and Gutenberg plugin via Navigation Links Block

Vulnerability Description

Auth. Stored (contributor+) Cross-Site Scripting (XSS) vulnerability in WordPress core 6.3 through 6.3.1, from 6.2 through 6.2.2, from 6.1 through 6.1.3, from 6.0 through 6.0.5, from 5.9 through 5.9.7 and Gutenberg plugin <= 16.8.0 versions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Rafie Muhammad (Patchstack)
  • Edouard Lamoine (Patchstack)

References

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Affected Vendor

WordPress.org

View all reports →

Affected Software

WordPress, Gutenberg
Vulnerable Versions:
6.3, 6.2, 6.1, 6.0, 5.9

Timeline

Official Publish: October 13th, 2023
Last Modified: April 28th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact