The Refined GitHub browser extension before 21.6.8 might allow XSS via a link in a…
Priority LOW 28CWE-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 Refined GitHub browser extension before 21.6.8 might allow XSS via a link in a document. NOTE: github.com sends Content-Security-Policy headers to, in general, address XSS and other concerns.
Why it matters now
EPSS 0.00685 52nd percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:refined-github_project:refined-github:*:*:*:*:*:*:*:* | before 21.6.8 | Vulnerable | Refined-github Project |
- cpe:2.3:a:refined-github_project:refined-github:*:*:*:*:*:*:*:* Versions before 21.6.8 Vulnerable ·Refined-github Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34364
- 2026-10-03 Alias added: GHSA-h8gx-qmvv-cjw4
References
Sources
- CVE-2021-34364 · CVE Program
- CVE-2021-34364 · NVD
- FIRST EPSS
- GHSA-h8gx-qmvv-cjw4 · GitHub Advisory Database · CC BY 4.0
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