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prionPRIOn knowledge basePRION:CVE-2022-39297
HistoryOct 12, 2022 - 11:15 p.m.

Authentication flaw

2022-10-1223:15:00
PRIOn knowledge base
www.prio-n.com
3
meliscms
unauthenticated access
remote code execution
deserialization
upgrade
nvd

9.4 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.9%

MelisCms provides a full CMS for Melis Platform, including templating system, drag’n’drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of melisplatform/melis-cms, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to melisplatform/melis-cms >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.

CPENameOperatorVersion
meliscmslt5.0.1

9.4 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.9%

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