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CVE-2024-56412— PhpSpreadsheet vulnerable to bypass of the XSS sanitizer using the javascript protocol and special characters

Quick assessment

Affected
PHPOffice PhpSpreadsheet
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.

PhpSpreadsheet是PHPOffice开源的一款用于读取和写入电子表格文件的PHP库。 PhpSpreadsheet存在跨站脚本漏洞，该漏洞源于容易利用javascript协议和特殊字符绕过跨站脚本清理器。

AI Predicted 6.1 Difficulty: Easy EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2024-56412

Vulnerability Information
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Vulnerability Title
PhpSpreadsheet vulnerable to bypass of the XSS sanitizer using the javascript protocol and special characters
Source: CVE Program / CVE List V5
Vulnerability Description
PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 are vulnerable to bypass of the cross-site scripting sanitizer using the javascript protocol and special characters. An attacker can use special characters, so that the library processes the javascript protocol with special characters and generates an HTML link. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA: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
Vulnerability Title
PhpSpreadsheet 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PhpSpreadsheet是PHPOffice开源的一款用于读取和写入电子表格文件的PHP库。 PhpSpreadsheet存在跨站脚本漏洞，该漏洞源于容易利用javascript协议和特殊字符绕过跨站脚本清理器。
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
PHPOffice PhpSpreadsheet >= 3.0.0, < 3.7.0 -

II. Public POCs for CVE-2024-56412

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III. Intelligence Information for CVE-2024-56412

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Patches & Fixes for CVE-2024-56412 (1)

Vendor Advisories for CVE-2024-56412 (1)

Same Patch Batch · PHPOffice · 2025-01-03 · 7 CVEs total

CVE-2024-56411 PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the H
CVE-2024-56408 PhpSpreadsheet allows unauthorized reflected XSS in `Convert-Online.php` file
CVE-2024-56410 PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability in custom properties
CVE-2024-56409 PhpSpreadsheet vulnerable to unauthorized reflected XSS in Currency.php file
CVE-2024-56365 PhpSpreadsheet vulnerable to unauthorized reflected XSS in the constructor of the Download
CVE-2024-56366 PhpSpreadsheet vulnerable to unauthorized reflected XSS in the Accounting.php file

IV. Related Vulnerabilities

Same product: PhpSpreadsheet
Same vendor: PHPOffice
Same weakness: CWE-79

V. Comments for CVE-2024-56412

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