CVE-2026-56058
WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- 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 Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
- Record
CVE-2026-56058- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2026-39712
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
- Record
EUVD-2026-39712- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-86wc-v2qw-vmwq
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
- Record
GHSA-86wc-v2qw-vmwq- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
- Record
CVE-2026-56058- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- 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-2026-56058 is a critical vulnerability (CVSS 9.9) in Themecatcher Quform, published June 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.