Threat intelligence

TenWeb Speed Optimizer <= 2.33.4 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-14287 · tenweb-speed-optimizer

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Tenweb Speed Optimizer at a vulnerable version. How SiteRespond intelligence works

Vulnerability: TenWeb Speed Optimizer <= 2.33.4 - Unauthenticated Stored Cross-Site Scripting
Affected software: tenweb-speed-optimizer(Plugin)
Affected versions: ≤ 2.33.4
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-14287
Published: 17 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 4fbcd1a5-1518-431a-88af-bf9aebafc0df). Methodology and redistribution notes

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