TI-2026-86470 Aliases CVE-2026-121768 GHSA-73qh-px6h-pjq6

Stored cross-site scripting in WordPress Contact Form 7 Post Fields

LOW 28CWE-79Published 2026-11-07 · Updated 2026-11-07

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Contact Form 7 Post Fields plugin (cf7-post-fields) by Markus Wiesenhofer for WordPress, versions through 2.6.0, does not neutralize input when it generates web pages (CWE-79). An attacker with low privileges can store script that runs in another user's browser after that user interacts with the page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Markus Wiesenhofer Contact Form 7 – Post Fields cf7-post-fields allows Stored XSS.This issue affects Contact Form 7 – Post Fields: from n/a through 2.6.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0013 2nd percentileScored 2026-11-07

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: Partial

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
Markus Wiesenhofer	Contact Form 7 – Post Fields	up to 2.6.0	—	No fix listed	CNA

Contact Form 7 – Post Fields VendorMarkus Wiesenhofer Affected up to 2.6.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Contact Form 7 Post Fields.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Timeline

2026-11-07 Threatist record created from CVE-2026-121768
2026-11-07 Alias added: GHSA-73qh-px6h-pjq6
2026-11-07 CISA SSVC decision points changed
2026-11-07 Priority changed: MEDIUM → LOW

References

Other 1

https://patchstack.com/database/wordpress/plugin/cf7-post-fields/vulnerability/wordpress-contact-form-7-8211-post-fields-plugin-2-6-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Sources

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