CVE-2023-5618
Modern Footnotes <= 1.4.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Modern Footnotes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode in versions up to, and including, 1.4.16 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | prismtechstudios |
| Product | modern footnotes |
| Published | Oct 20, 2023 |
| Last Updated | Apr 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for prismtechstudios modern footnotes
Be the first to know when new medium vulnerabilities affecting prismtechstudios modern footnotes are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
prismtechstudios / Modern Footnotes
0 ≤ 1.4.16
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/c20c674f-54b5-470f-b470-07a63501eb4d?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2980695/modern-footnotes research.cleantalk.org: https://research.cleantalk.org/cve-2023-5618-modern-footnotes-stored-xss-via-shortcode-poc/
Credits
Dmitrii Ignatyev