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CVE-2021-46363

CVE-2021-46363: Arbitrary code execution in Magnolia CMS

7.8

CVSS Score
3.1

Basic Information

CVE ID
CVE-2021-46363
GHSA ID
GHSA-65hp-4vxr-c356
EPSS Score
0.81258%
CWE
CWE-1236
Published
2/12/2022
Updated
1/29/2023
KEV Status
No
Technology
TechnologyJava

Technical Details

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Package NameEcosystemVulnerable VersionsFirst Patched Version
info.magnolia:magnolia-coremaven< 6.2.46.2.4

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability stems from improper neutralization of formula elements in exported CSVs. The primary indicator is the HtmlColumnRenderer modification mentioned in release notes (MGNLUI-6380), which restricted allowed attributes - suggesting it previously rendered untrusted content directly. The ContentTranslationExportHandler is implicated as the entry point for translation exports where malicious content would be processed. These functions would appear in stack traces during export generation with user-controlled input.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

*n issu* in t** *xport *un*tion o* M**noli* v*.*.* *n* **low *llows *tt**k*rs to *x**ut* *r*itr*ry *o** vi* * *r**t** *SV/XLS *il*.

Reasoning

T** vuln*r**ility st*ms *rom improp*r n*utr*liz*tion o* *ormul* *l*m*nts in *xport** *SVs. T** prim*ry in*i**tor is t** `*tml*olumnR*n**r*r` mo*i*i**tion m*ntion** in r*l**s* not*s (M*NLUI-****), w*i** r*stri*t** *llow** *ttri*ut*s - su***stin* it pr