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Unauthenticated mail relay in Magee Shortcodes WordPress plugin

Priority LOW 29CWE-472Published · Updated

Key facts

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

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

Summary

The Magee Shortcodes WordPress plugin through 2.1.1 does not restrict the recipient of some unauthenticated contact-form actions (CWE-472). An unauthenticated remote attacker can send arbitrary emails to any address through the site, using it as a mail relay. 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 Magee Shortcodes WordPress plugin through 2.1.1 does not restrict the recipient of some of its unauthenticated contact-form actions, allowing unauthenticated users to send arbitrary emails to any address through the site (mail relay).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00194 9th 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
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

VendorProductAffected versionsFixed inStatusSource
UnknownMagee Shortcodesup to 2.1.1—No fix listedCNA
  • Magee Shortcodes VendorUnknown Affected up to 2.1.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Magee Shortcodes.

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

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-105322
  2. 2026-10-07 Alias added: GHSA-ww88-hmh5-6vw5
  3. 2026-10-07 Weakness changed · CISA ADP
  4. 2026-10-07 CISA SSVC decision points changed

References

Sources