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TI-2026-70492 Aliases CVE-2026-94235GHSA-544m-gj73-rvcj

Missing authorization in MemberHero lets subscribers send emails

Priority LOW 19CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

The MemberHero WordPress plugin through 6.9 does not check capabilities or nonces on one of its AJAX actions. This missing authorization check (CWE-862) lets any authenticated user, such as a subscriber, make the site send arbitrary HTML emails to arbitrary recipients. An attacker can abuse this to relay phishing emails that carry the site's identity and domain reputation. 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 MemberHero WordPress plugin through 6.9 does not perform any capability or nonce check on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to make the site send arbitrary HTML emails to arbitrary recipients from its own mail system, which can be abused to relay phishing carrying the site's identity and domain reputation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th 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
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownMemberHeroup to 6.9—No fix listedCNA
  • MemberHero VendorUnknown Affected up to 6.9 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MemberHero.

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

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-94235
  2. 2026-10-11 Alias added: GHSA-544m-gj73-rvcj

References

Sources