WordPress core <= 7.1 - Unauth. Cross Site Scripting (XSS) vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-93485
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 06:16:41 UTC
Updated2026-09-18 06:16:41 UTC
DescriptionImproper neutralization of input during web page generation ('cross-site scripting') vulnerability in Automattic WordPress core allows DOM-Based XSS. This issue affects WordPress versions 7.1 before 7.1.1; 7.0 through 7.0.4; 6.9 through 6.9.7; 6.8 through 6.8.8; 6.7 through 6.7.7; 6.6 through 6.6.7; 6.5 through 6.5.10; 6.4 through 6.4.10; 6.3 through 6.3.10; 6.2 through 6.2.11; 6.1 through 6.1.12; 6.0 through 6.0.14; 5.9 through 5.9.16; 5.8 through 5.8.15; 5.7 through 5.7.17; 5.6 through 5.6.19; 5.5 through 5.5.20; 5.4 through 5.4.21; 5.3 through 5.3.23; 5.2 through 5.2.26; 5.1 through 5.1.24; 5.0 through 5.0.27; 4.9 through 4.9.31; 4.8 through 4.8.30; and 4.7 through 4.7.35. The Unauthenticated Stored XSS vulnerability in the WordPress core can be reproduced on a default WordPress installation. Comment moderation is disabled by default, and the requirement for commenters to have a previously approved comment can be bypassed.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

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

Problem Types: CWE-79 | CWE-79 CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
3.1CNACVSS7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Automattic WordPress affected 7.1 7.1.1 custom Not specified
CNA Automattic WordPress affected 7.0 7.0.4 custom Not specified
CNA Automattic WordPress affected 6.9 6.9.7 custom Not specified
CNA Automattic WordPress affected 6.8 6.8.8 custom Not specified
CNA Automattic WordPress affected 6.7 6.7.7 custom Not specified
CNA Automattic WordPress affected 6.6 6.6.7 custom Not specified
CNA Automattic WordPress affected 6.5 6.5.10 custom Not specified
CNA Automattic WordPress affected 6.4 6.4.10 custom Not specified
CNA Automattic WordPress affected 6.3 6.3.10 custom Not specified
CNA Automattic WordPress affected 6.2 6.2.11 custom Not specified
CNA Automattic WordPress affected 6.1 6.1.12 custom Not specified
CNA Automattic WordPress affected 6.0 6.0.14 custom Not specified
CNA Automattic WordPress affected 5.9 5.9.16 custom Not specified
CNA Automattic WordPress affected 5.8 5.8.15 custom Not specified
CNA Automattic WordPress affected 5.7 5.7.17 custom Not specified
CNA Automattic WordPress affected 5.6 5.6.19 custom Not specified
CNA Automattic WordPress affected 5.5 5.5.20 custom Not specified
CNA Automattic WordPress affected 5.4 5.4.21 custom Not specified
CNA Automattic WordPress affected 5.3 5.3.23 custom Not specified
CNA Automattic WordPress affected 5.2 5.2.26 custom Not specified
CNA Automattic WordPress affected 5.1 5.1.24 custom Not specified
CNA Automattic WordPress affected 5.0 5.0.27 custom Not specified
CNA Automattic WordPress affected 4.9 4.9.31 custom Not specified
CNA Automattic WordPress affected 4.8 4.8.30 custom Not specified
CNA Automattic WordPress affected 4.7 4.7.35 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpres... [email protected] patchstack.com
wordpress.org/news/2026/09/wordpress-7-1-1-maintenance-and-security-release [email protected] wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Rafie Muhammad | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress to the latest available version of it's version range: 7.1.1, 7.0.5, 6.9.8, 6.8.9, 6.7.8, 6.6.8, 6.5.11, 6.4.11, 6.3.11, 6.2.12, 6.1.13, 6.0.15, 5.9.17, 5.8.16, 5.7.18, 5.6.20, 5.5.21, 5.4.22, 5.3.24, 5.2.27, 5.1.25, 5.0.28, 4.9.32, 4.8.31, 4.7.36

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