Medium severity6.1NVD Advisory· Published Dec 6, 2023· Updated Jun 17, 2026

CVE-2023-6527

Description

The Email Subscription Popup plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the HTTP_REFERER header in all versions up to, and including, 1.2.18 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nik00726/Email Subscription Popup
cpe:2.3:a:i13websolution:email_subscription_popup:*:*:*:*:*:wordpress:*:*
Range: <1.2.19
WordPress/Email Subscription Popupllm-create
Range: <=1.2.18

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/browser/email-subscribe/tags/1.2.19/wp-email-subscription.phpnvdPatch
www.wordfence.com/threat-intel/vulnerabilities/id/5f84814e-f7b7-4228-b331-63027a0770afnvdThird Party Advisory

News mentions

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