EUVD-2026-49666
GHSA-5vgr-8697-jvj5
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
XSS typically requires user interaction (UI:R), but network vector and changed scope with low impact.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in miniorange otp verification <= 5.5.1 versions.
AnalysisAI
Cross-site scripting in the miniorange otp verification WordPress plugin <=5.5.1 enables unauthenticated attackers to inject arbitrary web scripts, potentially compromising site visitors who interact with a crafted link. The vulnerability is high severity (CVSS 7.1) due to network attack vector and changed scope, but requires user interaction. No active exploitation or public exploit code has been confirmed from available sources.
Technical ContextAI
The miniorange otp verification plugin facilitates one-time password authentication for WordPress sites. The flaw stems from improper neutralization of user input (CWE-79), where the plugin fails to sanitize or encode output that can reflect attacker-supplied payloads. This typically affects parameters handling OTP flow like phone numbers or emails, leading to script execution in victims' browsers within the site's security context. The changed scope (S:C) indicates the plugin's vulnerability can impact the client browser's trust model, even if the plugin itself is not fully compromised.
RemediationAI
No specific fixed version is confirmed in the available data; since versions <=5.5.1 are affected, users should immediately update to the latest release beyond 5.5.1 if available. If no update is present, disable the plugin until a patch is validated. Temporary workarounds include deploying a web application firewall rule to block XSS payloads targeting known OTP parameters, and ensuring output encoding at the application layer. Be aware that disabling the plugin removes OTP functionality entirely, which may affect legitimate MFA workflows.
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External POC / Exploit Code
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