CVE-2026-54194
WordPress Fusion Builder plugin <= 3.15.4 - PHP Object Injection vulnerability
CVE-2026-54194 is a critical vulnerability (CVSS 9.8) in Themefusion Fusion Builder, published June 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, CVE List
- Exploit chance
- 0.38%EPSS, 31st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
WordPress Fusion Builder plugin <= 3.15.4 - PHP Object Injection vulnerability
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
- Record
CVE-2026-54194- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-37509
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
- Record
EUVD-2026-37509- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xj9q-5wm7-q8ww
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
- Record
GHSA-xj9q-5wm7-q8ww- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Contributor PHP Object Injection in Fusion Builder <= 3.15.4 versions.
- Record
CVE-2026-54194- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.