Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-49763WordPress Integration for Contact Form 7 HubSpot plugin <= 1.3.7 - PHP Object Injection vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Integration for Contact Form 7 HubSpot from CRM Perks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 67.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated PHP Object Injection in Integration for Contact Form 7 HubSpot <= 1.3.7 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CRM Perks | Integration for Contact Form 7 HubSpot | n/a – through 1.3.7 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H