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Fencer Vulns
medium 6.5

CVE-2023-38000 json

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

published 2023-10-13 3 y ago modified 2026-09-10 1 mo ago also BIT-wordpress-2023-38000 , BIT-wordpress-multisite-2023-38000 , EUVD-2023-41827

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami wordpress 5.9.8, 6.0.6, 6.1.4, 6.2.3, 6.3.2
  • bitnami wordpress-multisite 5.9.8, 6.0.6, 6.1.4, 6.2.3, 6.3.2
  • WordPress.org WordPress 5.9.8, 6.0.6, 6.1.4, 6.2.3, 6.3.2
  • Gutenberg Team Gutenberg 16.8.1
  • wordpress Debian 12 6.1.6+dfsg1-0+deb12u1
  • wordpress Debian 14, Debian 13 6.3.2+dfsg1-1

debian advisories DEBIAN-CVE-2023-38000

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • patchstack.com https://patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cve referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
bitnami wordpress
>=5.9.0, <5.9.8
>=6.0.0, <6.0.6
>=6.1.0, <6.1.4
>=6.2.0, <6.2.3
>=6.3.0, <6.3.2
5.9.8
6.0.6
6.1.4
6.2.3
6.3.2
bitnami wordpress-multisite
>=5.9.0, <5.9.8
>=6.0.0, <6.0.6
>=6.1.0, <6.1.4
>=6.2.0, <6.2.3
>=6.3.0, <6.3.2
5.9.8
6.0.6
6.1.4
6.2.3
6.3.2

Affected products

  • WordPress.org WordPress
  • Gutenberg Team Gutenberg

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Add fixed versions.