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10up Distributor missing authorization lets contributors publish elsewhere

Priority LOW 24CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

10up Distributor before 2.3.2 contains a missing authorization flaw (CWE-862) in ajax_push() that lets Contributor-level users on a multisite network publish posts on other network sites. An attacker with Contributor access can use the dt-push nonce with a chosen connection id and postStatus to create draft or published posts on sites they cannot access.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

10up Distributor before 2.3.2 contains a missing authorization vulnerability in ajax_push() that allows Contributor-level multisite users to publish posts on other network sites. Attackers can use the dt-push nonce with a chosen connection id and postStatus to create draft or published posts on sites they cannot access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 16th percentileScored 2026-11-07
Fix Fixed Distributor (10up): 2.3.2

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
10upDistributorbefore 2.3.22.3.2Patch availableCNA
  • Distributor Vendor10up Affected before 2.3.2 Fixed in 2.3.2 Patch available CNA

Remediation

Update 10up Distributor to version 2.3.2 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Distributor (10up) Fixed in 2.3.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    10up Distributor 2.3.2

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-75417 Missing authorization in Distributor external connection AJAX actionsPriority LOW 24
    • TI-2026-75414 PHP object injection in 10up Distributor via set_meta()Priority LOW 12

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111625
  2. 2026-10-16 Alias added: GHSA-wgfj-q3jr-6q45
  3. 2026-10-19 CISA SSVC decision points changed

References

  • TI-2022-01483 Restricted Site Access < 7.3.2 - Access Bypass via IP Spoofing CVSS 3.1MEDIUM 5.3
  • TI-2024-07768 Safe SVG < 2.2.6 - Author+ SVG Sanitisation Bypass CVSS 3.1MEDIUM 4.8
  • TI-2019-13589 A Denial Of Service vulnerability exists in the safe-svg (aka Safe SVG) plugin through… CVSS 3.1HIGH 7.5
  • TI-2019-13588 A Denial Of Service vulnerability exists in the safe-svg (aka Safe SVG) plugin through… CVSS 3.1HIGH 7.5
  • TI-2024-28787 WordPress Simple Local Avatars plugin <= 2.7.10 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
  • TI-2023-16050 WordPress Simple Page Ordering plugin <= 2.5.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
See all 22 →

Sources