Stored XSS in Kali Forms via button click action
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Kali Forms contact form and drag-and-drop builder WordPress plugin before 2.4.29 does not prevent users with author-level access and above from storing arbitrary JavaScript in a form button configuration. That script is later output into a JavaScript execution context (CWE-79) and runs in the browser session of any user who clicks the button, including an administrator. An attacker needs an author-level account, and a victim must click the button.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
The Kali Forms — Contact Form & Drag-and-Drop Builder WordPress plugin before 2.4.29 does not prevent users with author-level access and above from storing arbitrary JavaScript in a form button configuration, which is later output into a JavaScript execution context and runs in the browser session of any user who clicks the button, including an administrator.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 | Kali Forms — Contact Form & Drag-and-Drop Builder | before 2.4.29 | 2.4.29 | Patch available | CNA |
- Kali Forms — Contact Form & Drag-and-Drop Builder VendorUnknown Affected before 2.4.29 Fixed in 2.4.29 Patch available CNA
Remediation
Update Kali Forms to version 2.4.29 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA Kali Forms — Contact Form & Drag-and-Drop Builder (Unknown) Fixed in 2.4.29
Timeline
- 2026-11-04 Threatist record created from CVE-2026-106649
- 2026-11-04 Alias added: GHSA-fcm8-mg9w-8fjh
- 2026-11-04 CVSS score added · CISA ADP
- 2026-11-04 Weakness changed · CISA ADP
- 2026-11-04 CISA SSVC decision points changed
References
Sources
- CVE-2026-106649 · CVE Program
- CVE-2026-106649 · NVD
- FIRST EPSS
- GHSA-fcm8-mg9w-8fjh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences