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CVE-2024-55878

Date: December 12, 2024

SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in version 1.0.12 and prior to version 1.1.12, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. Version 1.1.12 fixes the issue. As a workaround, don't use direct publication via toHTMLEx.

Language: PHP

Severity Score

Related Resources (5)

https://github.com/shuchkin/simplexlsx/commit/cb4e716259e83d18e89292a4f1b721f4d34e28c2
https://github.com/shuchkin/simplexlsx/security/advisories/GHSA-x6mh-rjwm-8ph7
https://nvd.nist.gov/vuln/detail/CVE-2024-55878
https://github.com/shuchkin/simplexlsx
https://www.mend.io/vulnerability-database/CVE-2024-55878

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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