There is an Arbitrary file deletion vulnerability in halo v1.1.3.
Priority LOW 36CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.
Why it matters now
EPSS 0.01123 66th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-21527
- 2026-10-03 Alias added: GHSA-v2gh-h86w-h9rq
References
More halo-dev Halo vulnerabilities
- TI-2025-28627 halo v2.20.17 and before is vulnerable to server-side request forgery (SSRF) in… CVSS 3.1CRITICAL 9.1
- TI-2025-43155 An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
- TI-2024-29387 Halo's editor has a stored XSS vulnerability CVSS 3.1MEDIUM 6.4
- TI-2024-29386 Halo's editor has a stored Cross-Site Scripting vulnerability CVSS 3.1MEDIUM 6.3
- TI-2022-14503 Halo CMS v1.5.3 was discovered to contain an arbitrary file upload vulnerability via the… CVSS 3.1CRITICAL 9.8
- TI-2022-14504 Halo CMS v1.5.3 was discovered to contain a Server-Side Request Forgery (SSRF) via the… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-21527 · CVE Program
- CVE-2020-21527 · NVD
- FIRST EPSS
- GHSA-v2gh-h86w-h9rq · GitHub Advisory Database · CC BY 4.0
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