Read the docs
TI-2026-40443 Aliases CVE-2026-56049GHSA-5rvc-gxqm-fm4r

WordPress Post Snippets plugin <= 4.0.19 - Remote Code Execution (RCE) vulnerability

Priority MEDIUM 40CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

Contributor Remote Code Execution (RCE) in Post Snippets <= 4.0.19 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00582 48th 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
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Post SnippetsPost Snippetsup to 4.0.19—No fix listedCNA
  • Post Snippets VendorPost Snippets Affected up to 4.0.19 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56049
  2. 2026-10-03 Alias added: GHSA-5rvc-gxqm-fm4r

References

  • TI-2021-07288 Post Snippets < 3.1.4 - CSRF to Stored Cross-Site Scripting CVSS 3.1CRITICAL 9.6
  • TI-2023-10769 WordPress Post Snippets Plugin <= 4.0.2 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.9

Sources