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CVE-2025-8902: Widget Options - Extended <= 5.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-23 · updated 2026-10-11
• Weakness: CWE-79

Description

The Widget Options - Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'do_sidebar' shortcode in all versions up to, and including, 5.2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Marketing Fire, LLC Widget Options - Extended: through 5.2.1

References

• https://widget-options.com/changelog/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/98f8a524-b0b8-4e11-b789-bed3bd257a10?source=cve

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