XSS in Prismtechstudios Modern Footnotes

CVE-2023-5618

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-5618?
CVE-2023-5618 is a medium-severity vulnerability in Prismtechstudios Modern Footnotes, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-10-20.
How severe is CVE-2023-5618?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-5618 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.