Threat intelligence

Optimole <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter

CVE-2026-5217 · optimole-wp

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

Vulnerability: Optimole <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter
Affected software: optimole-wp(Plugin)
Affected versions: ≤ 4.2.2
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-5217
Published: 10 April 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 50417068-339a-4ae5-9c90-8f08f54ce0af). Methodology and redistribution notes

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