CVE-2024-8920 json
Fonto – Custom Web Fonts Manager <= 1.2.1 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
published 2024-10-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-49483
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
The Fonto – Custom Web Fonts Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 1.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- vladolaru Fonto – Custom Web Fonts Manager
- vladolaru fonto_custom_web_fonts_manager
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/358be91d-cb00-429b-a4ed-69bf81e4d19e?source=cve
- plugins.trac.wordpress.org /browser/fonto/trunk/includes/class-fonto.php#L373
- wordpress.org /plugins/fonto/#developers
- plugins.trac.wordpress.org /changeset/3169936/
- plugins.trac.wordpress.org /changeset/3169936/#file2
Sources
- CVE List CVE-2024-8920
- NVD CVE-2024-8920
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.