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TI-2026-83315 Aliases CVE-2026-116862GHSA-jc5f-7gjr-2qhp

Broken access control in WordPress WP REST Cache plugin

Priority LOW 39CWE-862Published · Updated

Key facts

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

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

Summary

Acato's WP REST Cache WordPress plugin through 2026.3.1 is affected. A missing authorization check (CWE-862) lets requests bypass access control. An unauthenticated remote attacker can use this to reach data and functions they should not access.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

Unauthenticated Broken Access Control in WP REST Cache <= 2026.3.1 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th 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

VendorProductAffected versionsFixed inStatusSource
AcatoWP REST Cacheup to 2026.3.1—No fix listedCNA
  • WP REST Cache VendorAcato Affected up to 2026.3.1 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for WP REST Cache.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-116862
  2. 2026-10-30 CISA SSVC decision points changed
  3. 2026-10-30 Priority changed: MEDIUM → LOW
  4. 2026-10-30 Alias added: GHSA-jc5f-7gjr-2qhp

References

Other 1

  • TI-2025-32766 WordPress WP REST Cache <= 2025.1.0 - Local File Inclusion Vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-56400 WordPress Email Essentials plugin <= 6.0.6 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2026-20465 WordPress WP REST Cache plugin <= 2026.1.0 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2023-13068 WordPress Branded Social Images plugin <= 1.1.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3

Sources

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