WordPress security changelog
MEDIUM CVE-2019-25315 Deferred

Server Log Viewer: Cross-site scripting

Server Log Viewer is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 5.1 CVSS 4.0 · disclosure@vulncheck.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Server Log Viewer
Plugin slug
server-log-viewer
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 11, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Feb 11, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Server Log Viewer 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

WordPress Server Log Viewer 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through unfiltered log file paths. Attackers can add log files with embedded XSS payloads that will execute when viewed in the WordPress admin interface.

CVE / CNA vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary and upstream sources