Unrated severityNVD Advisory· Published Sep 30, 2020· Updated Aug 4, 2024
CVE-2020-21523
CVE-2020-21523
Description
A Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test="freemarker.template.utility.Execute"?new()> ${test("touch /tmp/freemarkerPwned")}
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- halo/CMSdescription
Patches
Vulnerability mechanics
References
1- github.com/halo-dev/halo/issues/419mitrex_refsource_MISC
News mentions
0No linked articles in our index yet.