What’s Vulnerable › Vulnerabilities

CVE-2025-15378: AJS Footnotes <= 1.0 - Unauthenticated Stored Cross-Site Scripting

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-14 · updated 2026-06-17
• Weakness: CWE-79

Description

The AJS Footnotes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'note_list_class' and 'popup_display_effect_in' parameters in all versions up to, and including, 1.0 due to missing authorization and nonce verification on settings save, as well as insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to update plugin settings and inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• ajseidl AJS Footnotes: through 1.0

References

• https://plugins.trac.wordpress.org/browser/ajs-footnotes/tags/1.0/ajs_footnotes.php?marks=138,271,303#L138
• https://www.wordfence.com/threat-intel/vulnerabilities/id/4da167e0-c1cf-496f-9b14-35fc70386be1?source=cve

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