CVE-2023-23617: OpenMage LTS has DoS vulnerability in MaliciousCode filter

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-28 · updated 2026-06-17
Weakness: CWE-835

Description

OpenMage LTS is an e-commerce platform. Versions prior to 19.4.22 and 20.0.19 contain an infinite loop in malicious code filter in certain conditions. Versions 19.4.22 and 20.0.19 have a fix for this issue. There are no known workarounds.

Affected products

OpenMage magento-lts: before 19.4.22; from 20.0.0 before 20.0.19 — fixed in 19.4.22, 20.0.19

How to fix

Upgrade to a fixed version: OpenMage magento-lts 19.4.22, 20.0.19. Check the vendor advisory for mitigations.

References

https://github.com/OpenMage/magento-lts/commit/494027785bdb7db53e60c11ef03c144b61cd3172
https://github.com/OpenMage/magento-lts/releases/tag/v19.4.22
https://github.com/OpenMage/magento-lts/releases/tag/v20.0.19
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-3p73-mm7v-4f6m
https://github.com/OpenMage/magento-lts/commit/494027785bdb7db53e60c11ef03c144b61cd3172
https://github.com/OpenMage/magento-lts/releases/tag/v19.4.22
https://github.com/OpenMage/magento-lts/releases/tag/v20.0.19
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-3p73-mm7v-4f6m

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