Vulnerability · Published Jun 26, 2026 · Assigned by Patchstack
CVE-2026-56058WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability
Critical 9.9
In plain English
A critical-severity unrestricted file upload in Quform from ThemeCatcher. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.5%top 58.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ThemeCatcher | Quform | n/a – through 2.23.0 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H