TI-2025-35137 Aliases CVE-2025-55707 GHSA-3xc3-wg4j-v425

WordPress PostX Plugin <= 4.1.35 - Privilege Escalation Vulnerability

LOW 34CWE-266Published 2025-12-18 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
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-266.

Summary

Incorrect Privilege Assignment vulnerability in WPXPO PostX ultimate-post allows Privilege Escalation.This issue affects PostX: from n/a through <= 4.1.35.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00404 34th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
wpxpo	PostX	up to 4.1.35	—	No fix listed	CNA

PostX Vendorwpxpo Affected up to 4.1.35 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-55707
2026-10-03 Alias added: GHSA-3xc3-wg4j-v425

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/ultimate-post/vulnerability/wordpress-postx-plugin-4-1-35-privilege-escalation-vulnerability?_s_id=cve

TI-2024-09942 PostX <= 4.1.16 - Missing Authorization to Arbitrary Plugin Installation/Activation CVSS 3.1HIGH 8.8
TI-2024-04008 PostX < 4.1.0 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.8
TI-2023-03707 PostX - Gutenberg Post Grid Blocks < 3.0.6 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
TI-2024-20266 WordPress WholesaleX plugin <= 1.3.2 - Unauthenticated Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
TI-2024-19970 WordPress WholesaleX plugin <= 1.3.2 - Unauthenticated PHP Object Injection vulnerability CVSS 3.1CRITICAL 10.0
TI-2024-15553 WordPress ProductX – Gutenberg WooCommerce Blocks Plugin <= 3.1.4 is vulnerable to PHP Object Injection CVSS 3.1CRITICAL 9.8

See all 46 →

Sources

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