TI-2026-67940 Aliases CVE-2026-39728 GHSA-f9x9-mxcq-hx6w

Server-side request forgery in WordPress Instapage plugin

LOW 37CWE-918Published 2026-10-06 · Updated 2026-10-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

The Instapage Plugin for WordPress through 3.7.2 contains a server-side request forgery flaw (CWE-918). It lets an unauthenticated remote attacker make the server send requests to destinations the attacker chooses. The attack needs no privileges or user interaction and has low confidentiality and integrity impact with a changed scope.

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

Description from the CNA

Unauthenticated Server Side Request Forgery (SSRF) in Instapage Plugin <= 3.7.2 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00248 16th 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: Yes
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
instapagedev	Instapage Plugin	up to 3.7.2	—	No fix listed	CNA

Instapage Plugin Vendorinstapagedev Affected up to 3.7.2 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Instapage Plugin.

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

Timeline

2026-10-06 Threatist record created from CVE-2026-39728
2026-10-06 Alias added: GHSA-f9x9-mxcq-hx6w
2026-10-06 CISA SSVC decision points changed
2026-10-06 Priority changed: MEDIUM → LOW

References

Other 1

https://patchstack.com/database/wordpress/plugin/instapage/vulnerability/wordpress-instapage-plugin-plugin-3-7-2-server-side-request-forgery-ssrf-vulnerability?_s_id=cve

TI-2025-37481 WordPress Instapage plugin plugin <= 3.7.0 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 4.3

Sources

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