WordPress XLSXviewer plugin <= 2.1.1 - Arbitrary File Deletion vulnerability

7.5 CVSS

Vulnerability Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in pitinca XLSXviewer xlsx-viewer allows Path Traversal.This issue affects XLSXviewer: from n/a through <= 2.1.1.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Mika | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/xlsx-viewer/vulnerability/wordpress-xlsxviewer-plugin-2-1-1-arbitrary-file-deletion-vulnerability?_s_id=cve

Affected Vendor

pitinca

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Affected Software

XLSXviewer

Vulnerable Versions:

Timeline

Official Publish: January 22nd, 2025

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Weaknesses (CWE)

CWE-22

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1005 Data from Local System

Collection

T1552 Unsecured Credentials

Credential Access

T1565.001 Stored Data Manipulation

Impact