Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.
Why it matters now
EPSS 0.00827 57th 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 | Favicon by RealFaviconGenerator | 1.3.20 – 1.3.20 | — | No fix listed | CNA |
- Favicon by RealFaviconGenerator VendorUnknown Affected 1.3.20 – 1.3.20 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realfavicongenerator:favicon_by_realfavicongenerator:*:*:*:*:*:wordpress:*:* | before 1.3.22 | Vulnerable | RealFaviconGenerator |
- cpe:2.3:a:realfavicongenerator:favicon_by_realfavicongenerator:*:*:*:*:*:wordpress:*:* Versions before 1.3.22 Vulnerable ·RealFaviconGenerator
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24437
- 2026-10-03 Alias added: GHSA-cw69-2q7p-cmfx
References
More RealFaviconGenerator Favicon By Realfavicongenerator vulnerabilities
- TI-2015-08044 Cross-site request forgery in RealFaviconGenerator Favicon Plugin CVSS 3.1HIGH 8.8
- TI-2022-00394 Favicon by RealFaviconGenerator < 1.3.23 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-24437 · CVE Program
- CVE-2021-24437 · NVD
- FIRST EPSS
- GHSA-cw69-2q7p-cmfx · 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