Missing authorization in click5 CRM add-on allows option changes
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 has missing authorization (CWE-862) in a REST endpoint that updates options. The endpoint skips authorization and CSRF checks and does not confirm that the option belongs to the plugin. An unauthenticated remote attacker can change arbitrary blog options, creating a new administrator account and taking over the site. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 does not have authorisation and CSRF checks when updating options via a REST endpoint, and does not ensure that the option to be updated belongs to the click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | click5 CRM add-on to Contact Form 7 | up to 1.0.4 | — | No fix listed | CNA |
- click5 CRM add-on to Contact Form 7 VendorUnknown Affected up to 1.0.4 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for click5 CRM add-on to Contact Form 7.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-84254
- 2026-10-11 Alias added: GHSA-xj8c-cq6p-8j43
References
Sources
- CVE-2026-84254 · CVE Program
- CVE-2026-84254 · NVD
- FIRST EPSS
- GHSA-xj8c-cq6p-8j43 · GitHub Advisory Database · CC BY 4.0
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