# CVE-2026-84260: click5 CRM add-on to Gravity Forms stored XSS via unauthenticated endpoint

Source: https://junglewise.ai/threats/cve-2026-84260-the-click5-crm-add-on-to-gravity-forms-wordpress-plugin-through-1  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-11. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-84260 · Severity: high · CVSS 8.8 · Published 2026-10-11

The click5 CRM add-on for Gravity Forms, a WordPress form builder plugin, contains a stored cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts through an unprotected endpoint. These scripts are then executed when administrators view the affected admin page, potentially allowing attackers to steal admin credentials, inject malware, or compromise the website.

Vendors: [Click5](https://junglewise.ai/threats/vendors/click5).

## Quick answers

**Is CVE-2026-84260 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84260 being exploited in the wild.

**How severe is CVE-2026-84260?** High severity, with a CVSS score of 8.8, published 11 October 2026.

**Which products and versions are affected?** Click5 CRM add-on to Gravity Forms through 1.0.3.

**Is there a fix for CVE-2026-84260?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-84260 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-84260?** Check whether you run Click5 CRM add-on to Gravity Forms at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a stored XSS flaw in an unauthenticated endpoint that fails to sanitize and escape user-supplied content before displaying it on an admin page. An attacker can send malicious input through the unprotected post_notifications endpoint without authentication, and the payload persists in the application, executing when high-privilege users such as administrators access the admin interface. No known fix is currently available.

## Affected products

- Click5 CRM add-on to Gravity Forms through 1.0.3

## Timeline

- 2026-10-09: disclosed: Publicly published on WPScan
- 2026-10-11: advisory: Published in NVD

## References

- [https://wpscan.com/vulnerability/ebfcc2da-5d8b-4f15-832f-02bd77844368/](https://wpscan.com/vulnerability/ebfcc2da-5d8b-4f15-832f-02bd77844368/)

## Related threats

- [click5 CRM add-on to Gravity Forms unauth options update](https://junglewise.ai/threats/cve-2026-84253-the-click5-crm-add-on-to-gravity-forms-wordpress-plugin-through-1)