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CVE-2026-57734— WordPress tagDiv Composer plugin <= 5.4.3 - Reflected Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
tagDiv tagDiv Composer
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.

tagdiv composer是tagdiv公司的一个网页内容编辑工具。 tagdiv composer 5.4.3及之前版本存在跨站脚本漏洞，该漏洞源于对输入内容进行网页生成时中和不当，可能导致反射型跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
tagDiv tagDiv Composer ≤ 5.4.3 affected
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I. Basic Information for CVE-2026-57734

Vulnerability Information
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Vulnerability Title
WordPress tagDiv Composer plugin <= 5.4.3 - Reflected 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 tagDiv tagDiv Composer td-composer allows Reflected XSS.This issue affects tagDiv Composer: from n/a through <= 5.4.3.
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
Vulnerability Title
tagdiv composer 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tagdiv composer是tagdiv公司的一个网页内容编辑工具。 tagdiv composer 5.4.3及之前版本存在跨站脚本漏洞，该漏洞源于对输入内容进行网页生成时中和不当，可能导致反射型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
tagDiv tagDiv Composer 0 ~ 5.4.3 -

II. Public POCs for CVE-2026-57734

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III. Intelligence Information for CVE-2026-57734

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Other References for CVE-2026-57734 (1)

Same Patch Batch · tagDiv · 2026-07-13 · 3 CVEs total

CVE-2026-57733 7.1 HIGH WordPress tagDiv Cloud Library plugin <= 3.9.4 - Cross Site Scripting (XSS) vulnerability
CVE-2026-57732 7.1 HIGH WordPress tagDiv Opt-In Builder plugin <= 1.7.4 - Cross Site Scripting (XSS) vulnerability

IV. Related Vulnerabilities

Same product: tagDiv Composer
Same vendor: tagDiv
Same weakness: CWE-79

V. Comments for CVE-2026-57734

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