WordPress Fusion Builder plugin <= 3.15.4 - Arbitrary File Deletion vulnerability
Priority LOW 34CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Contributor Arbitrary File Deletion in Fusion Builder <= 3.15.4 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00327 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ThemeFusion | Fusion Builder | up to 3.15.4 | — | No fix listed | CNA |
- Fusion Builder VendorThemeFusion Affected up to 3.15.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54193
- 2026-10-03 Alias added: GHSA-rx9w-m672-vh7m
More ThemeFusion vulnerabilities
- TI-2022-01267 Fusion Builder < 3.6.2 - Unauthenticated SSRF CVSS 3.1CRITICAL 9.8
- TI-2026-05505 Injection in ThemeFusion Avada Builder CVSS 3.1CRITICAL 9.8
- TI-2024-02175 Avada <= 7.11.6 - Unauthenticated Sensitive Information Exposure via Form Uploads Directory Listing CVSS 3.1MEDIUM 5.3
- TI-2024-12389 Avada Theme <= 7.11.13 - Unauthenticated Arbitrary Shortcode Execution CVSS 3.1CRITICAL 9.8
- TI-2026-15146 Avada <= 7.16 and Fusion Builder <= 3.16 - Unauthenticated Remote Code Execution via Arbitrary File Write CVSS 3.1CRITICAL 9.8
- TI-2026-07656 Avada (Fusion) Builder <= 3.15.3 - Unauthenticated Arbitrary File Deletion via Form Entry Value CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-54193 · CVE Program
- CVE-2026-54193 · NVD
- FIRST EPSS
- GHSA-rx9w-m672-vh7m · GitHub Advisory Database · CC BY 4.0
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