Unrated severityNVD Advisory· Published Jun 9, 2025· Updated Jun 10, 2025
Newsletter < 8.8.5 - Admin+ Stored XSS via Widget
CVE-2025-3581
Description
The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before outputting them back in a page/post where the block is embed, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: < 8.8.5
Patches
Vulnerability mechanics
References
1- wpscan.com/vulnerability/2d96f018-510d-40ab-9e73-76fa44784813/mitreexploitvdb-entrytechnical-description
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