TI-2026-83296 Aliases CVE-2026-73186 GHSA-g6cf-mrxg-xvmr

PHP object injection in Enable Media Replace WordPress plugin

MEDIUM 40CWE-502Published 2026-10-30 · Updated 2026-10-30

Key facts

Attack vector: Network
Privileges required: Low
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 Enable Media Replace plugin for WordPress by ShortPixel is affected up to and including version 4.2.2. It deserializes untrusted data (CWE-502), which lets an authenticated attacker with low privileges, such as a subscriber, inject PHP objects. Successful exploitation can affect confidentiality, integrity and availability.

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

Description from the CNA

Subscriber PHP Object Injection in Enable Media Replace <= 4.2.2 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00391 33rd 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
ShortPixel	Enable Media Replace	up to 4.2.2	—	No fix listed	CNA

Enable Media Replace VendorShortPixel Affected up to 4.2.2 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Enable Media Replace.

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

Timeline

2026-10-30 Threatist record created from CVE-2026-73186
2026-10-30 CISA SSVC decision points changed
2026-10-30 Priority changed: MEDIUM → LOW
2026-10-30 Alias added: GHSA-g6cf-mrxg-xvmr
2026-11-01 Priority changed: LOW → MEDIUM

References

Other 1

https://patchstack.com/database/wordpress/plugin/enable-media-replace/vulnerability/wordpress-enable-media-replace-plugin-4-2-2-php-object-injection-vulnerability?_s_id=cve

TI-2023-04280 Enable Media Replace < 4.1.3 - Author+ PHP Object Injection CVSS 3.1HIGH 8.8
TI-2023-00241 Enable Media Replace < 4.0.2 - Author+ Arbitrary File Upload CVSS 3.1HIGH 8.8
TI-2023-00318 ShortPixel Adaptive Images < 3.6.3 - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2026-14215 ShortPixel Image Optimizer <= 6.5.5 - Authenticated (Author+) PHP Object Injection via Nested JSON Post Content CVSS 3.1HIGH 8.8
TI-2023-15794 WordPress ShortPixel Adaptive Images Plugin <= 3.7.1 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
TI-2024-32246 WordPress ShortPixel Image Optimizer plugin <= 5.6.3 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8

See all 32 →

Sources

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