TI-2026-69253 Aliases CVE-2026-95606 GHSA-39v2-8xcx-xqhh

PHP object injection in WordPress The Events Calendar plugin

MEDIUM 49CWE-502Published 2026-10-07 · Updated 2026-10-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
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-502.

Summary

The Events Calendar plugin by Liquid Web and StellarWP for WordPress, from n/a through 6.17.4, deserializes untrusted data (CWE-502). An unauthenticated remote attacker can inject PHP objects, which the CVSS 3.1 base score of 9.8 rates as critical.

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

Description from the CNA

Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP The Events Calendar allows Object Injection. This issue affects The Events Calendar: from n/a through 6.17.4.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00322 25th 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: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Liquid Web / StellarWP	The Events Calendar	up to 6.17.4	—	No fix listed	CNA

The Events Calendar VendorLiquid Web / StellarWP Affected up to 6.17.4 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for The Events Calendar.

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

Timeline

2026-10-07 Threatist record created from CVE-2026-95606
2026-10-07 CISA SSVC decision points changed
2026-10-07 Alias added: GHSA-39v2-8xcx-xqhh

References

Other 1

https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-17-4-php-object-injection-vulnerability?_s_id=cve

TI-2026-56689 WordPress GiveWP plugin <= 4.16.7.1 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 10.0
TI-2026-36681 WordPress The Events Calendar plugin 6.15.12-6.16.2 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
TI-2026-67823 Object injection in WordPress Advanced Post Manager plugin CVSS 3.1CRITICAL 9.8
TI-2026-63964 WordPress GiveWP plugin <= 4.16.9 - Broken Authentication vulnerability CVSS 3.1CRITICAL 9.1
TI-2026-83629 SQL injection in WordPress BookIt plugin CVSS 3.1CRITICAL 9.3
TI-2026-69949 Authentication bypass by spoofing in GiveWP WordPress plugin CVSS 3.1HIGH 7.5

See all 37 →

Sources

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