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CVE-2026-107742— 10Web Booster <= 2.34.8 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name

Quick assessment

Affected
10web 10Web Booster – Website speed optimization, Cache & Page Speed optimizer
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.

10Web Booster – Website speed optimization, Cache & Page Speed optimizer（一款用于 WordPress 的网站速度优化、缓存与页面速度优化插件）在所有版本中（包括最高至 2.34.8 版本）均存在存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞，原因是其对输入清理和输出转义处理不足。这使得未经身份验证的攻击者能够在网页中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将会被执行。 该漏洞之所以可利

CVSS 7.2 · High EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
10web 10Web Booster – Website speed optimization, Cache & Page Speed optimizer ≤ 2.34.8 affected
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I. Basic Information for CVE-2026-107742

Vulnerability Information
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Vulnerability Title
10Web Booster <= 2.34.8 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name
Source: CVE Program / CVE List V5
Vulnerability Description
The 10Web Booster – Website speed optimization, Cache & Page Speed optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'author' parameter in all versions up to, and including, 2.34.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable because a comment author Name value containing ' src=' and an event-handler payload contains no HTML tags or quote characters, allowing it to survive WordPress core's sanitize_text_field and land verbatim inside the alt attribute, where the plugin's own str_replace subsequently injects the single quote that breaks out of the attribute context.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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
10web 10Web Booster – Website speed optimization, Cache & Page Speed optimizer 0 ~ 2.34.8 -

II. Public POCs for CVE-2026-107742

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III. Intelligence Information for CVE-2026-107742

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Patches & Fixes for CVE-2026-107742 (1)

Vendor Advisories for CVE-2026-107742 (1)

Vendor Pages for CVE-2026-107742 (1)

Same Patch Batch · 10web · 2026-10-10 · 5 CVEs total

CVE-2026-105885 8.8 HIGH WordPress Slider by 10Web plugin <= 1.2.62 - PHP Object Injection vulnerability
CVE-2026-42711 7.1 HIGH WordPress Slider by 10Web plugin <= 1.2.63 - Cross Site Scripting (XSS) vulnerability
CVE-2026-42715 7.1 HIGH WordPress Photo Gallery by 10Web plugin <= 1.8.47 - Cross Site Scripting (XSS) vulnerabili
CVE-2026-103998 6.1 MEDIUM Form Maker by 10Web <= 1.15.48 - Reflected Cross-Site Scripting via 'inputs' Parameter Arr

IV. Related Vulnerabilities

Same product: 10Web Booster – Website speed optimization, Cache & Page Speed optimizer
Same vendor: 10web
Same weakness: CWE-79

V. Comments for CVE-2026-107742

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