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CVE-2026-93485— WordPress core <= 7.1 - Unauth. Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Automattic WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Automattic 开发的 WordPress 核心中，存在一个“在网页生成期间未正确中和输入（跨站脚本攻击/XSS）”的漏洞，允许实施基于 DOM 的 XSS（DOM-Based XSS）。 此问题影响以下 WordPress 版本： 7.1 版本至 7.1.1 之前； 7.0 至 7.0.4； 6.9 至 6.9.7； 6.8 至 6.8.8； 6.7 至 6.7.7； 6.6 至 6.6.7； 6.5 至 6.5.10； 6.4 至 6.4.10； 6.3 至 6.3.10； 6.2 至 6.2.11；

CVSS 7.1 · High EPSS 0.16% · P6

Affected Version Matrix 25

VendorProduct Version RangeStatus
Automattic WordPress 7.1< 7.1.1 affected
7.0≤ 7.0.4 affected
6.9≤ 6.9.7 affected
6.8≤ 6.8.8 affected
6.7≤ 6.7.7 affected
6.6≤ 6.6.7 affected
6.5≤ 6.5.10 affected
6.4≤ 6.4.10 affected
… +17 more rows
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I. Basic Information for CVE-2026-93485

Vulnerability Information
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Vulnerability Title
WordPress core <= 7.1 - Unauth. Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Automattic WordPress 7.1 ~ 7.1.1 -
Automattic WordPress 7.0 ~ 7.0.4 -
Automattic WordPress 6.9 ~ 6.9.7 -
Automattic WordPress 6.8 ~ 6.8.8 -
Automattic WordPress 6.7 ~ 6.7.7 -
Automattic WordPress 6.6 ~ 6.6.7 -
Automattic WordPress 6.5 ~ 6.5.10 -
Automattic WordPress 6.4 ~ 6.4.10 -
Automattic WordPress 6.3 ~ 6.3.10 -
Automattic WordPress 6.2 ~ 6.2.11 -
Automattic WordPress 6.1 ~ 6.1.12 -
Automattic WordPress 6.0 ~ 6.0.14 -
Automattic WordPress 5.9 ~ 5.9.16 -
Automattic WordPress 5.8 ~ 5.8.15 -
Automattic WordPress 5.7 ~ 5.7.17 -
Automattic WordPress 5.6 ~ 5.6.19 -
Automattic WordPress 5.5 ~ 5.5.20 -
Automattic WordPress 5.4 ~ 5.4.21 -
Automattic WordPress 5.3 ~ 5.3.23 -
Automattic WordPress 5.2 ~ 5.2.26 -
Automattic WordPress 5.1 ~ 5.1.24 -
Automattic WordPress 5.0 ~ 5.0.27 -
Automattic WordPress 4.9 ~ 4.9.31 -
Automattic WordPress 4.8 ~ 4.8.30 -
Automattic WordPress 4.7 ~ 4.7.35 -

II. Public POCs for CVE-2026-93485

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III. Intelligence Information for CVE-2026-93485

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Vendor Advisories for CVE-2026-93485 (1)

Other References for CVE-2026-93485 (1)

IV. Related Vulnerabilities

Same product: WordPress
Same vendor: Automattic
Same weakness: CWE-79

V. Comments for CVE-2026-93485

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