CVE-2026-78292
WordPress Hash Form plugin <= 1.4.1 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 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
What each source reports
CVE List Score used
WordPress Hash Form plugin <= 1.4.1 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
- Record
CVE-2026-78292- 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-2026-66946
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
- Record
EUVD-2026-66946- 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-j565-hhqc-8rx3
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
- Record
GHSA-j565-hhqc-8rx3- 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
Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
- Record
CVE-2026-78292- 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
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-78292 is a critical vulnerability (CVSS 9.8) in Hashthemes Hash Form, published August 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.