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TI-2026-70455 Aliases CVE-2026-84259GHSA-hj2j-gw8f-5339

Stored cross-site scripting in click5 CRM add-on to WPForms

Priority MEDIUM 40CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
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-79.

Summary

The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 does not sanitise or escape content submitted through an unauthenticated endpoint before displaying it in an admin page. This cross-site scripting flaw (CWE-79) lets an unauthenticated remote attacker store script that runs when a higher privilege user such as an administrator views the page. 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 WPForms WordPress plugin through 1.0.3 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00295 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
Unknownclick5 CRM add-on to WPFormsup to 1.0.3—No fix listedCNA
  • click5 CRM add-on to WPForms VendorUnknown Affected up to 1.0.3 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for click5 CRM add-on to WPForms.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-84259
  2. 2026-10-11 Alias added: GHSA-hj2j-gw8f-5339
  3. 2026-10-12 Priority changed: LOW → MEDIUM

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences