WordPress security changelog
MEDIUM CVE-2025-9950 Deferred

Error Log Viewer by BestWebSoft: Filesystem traversal

Error Log Viewer by BestWebSoft is affected by filesystem traversal. Exploitation requires at least administrator-level access. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.

CVE / CNA score 4.9 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Error Log Viewer by BestWebSoft
Plugin slug
error-log-viewer
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Oct 11, 2025
Weakness
CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Oct 11, 2025 and is one of 5 known issues for this plugin.

Update, patch or deactivate.

Update Error Log Viewer by BestWebSoft to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Error Log Viewer by BestWebSoft plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 1.1.6 via the rrrlgvwr_get_file function. This makes it possible for authenticated attackers, with Administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Primary and upstream sources