CVE-2022-2450: reSmush.it Image Optimizer < 0.4.4 - Subscriber+ AJAX Calls

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-14 · updated 2026-06-17
Weakness: CWE-862

Description

The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 lacks authorization in various AJAX actions, allowing any logged-in users, such as subscribers to call them.

Affected products

reSmush.it : the only free Image Optimizer & compress plugin: before 0.4.4 — fixed in 0.4.4

How to fix

Upgrade to a fixed version: reSmush.it : the only free Image Optimizer & compress plugin 0.4.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/1b3ff124-f973-4584-a7d7-26cc404bfe2b
https://wpscan.com/vulnerability/1b3ff124-f973-4584-a7d7-26cc404bfe2b

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