Flex Local Fonts <= 1.0.0 - Admin+ Stored Cross-Site-Scripting
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The Flex Local Fonts WordPress plugin through 1.0.0 does not escape the Class Name field when adding a font, which could allow hight privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Why it matters now
EPSS 0.00617 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Flex Local Fonts | 1.0.0 – 1.0.0 | — | No fix listed | CNA |
- Flex Local Fonts VendorUnknown Affected 1.0.0 – 1.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:flex_local_fonts_project:flex_local_fonts:*:*:*:*:*:wordpress:*:* | up to 1.0.0 | Vulnerable | Flex Local Fonts Project |
- cpe:2.3:a:flex_local_fonts_project:flex_local_fonts:*:*:*:*:*:wordpress:*:* Versions up to 1.0.0 Vulnerable ·Flex Local Fonts Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24782
- 2026-10-03 Alias added: GHSA-fp4x-73jw-phj9
References
Sources
- CVE-2021-24782 · CVE Program
- CVE-2021-24782 · NVD
- FIRST EPSS
- GHSA-fp4x-73jw-phj9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences