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THREAT OPSThreat News › Flextype v1.0.0-alpha.3 Stored Arbitrary Expression Injection in ExpressionsDirective Allows Arbitrary File Read

Flextype v1.0.0-alpha.3 Stored Arbitrary Expression Injection in ExpressionsDirective Allows Arbitrary File Read

lowfulldisclosurePublished 2026-09-04

<p>Posted by Ron E on Sep 03</p>Description<br /> <br /> Flextype CMS v1.0.0-alpha.3 contains a stored arbitrary expression<br /> injection vulnerability in the Entries ExpressionsDirective. An<br /> authenticated remote attacker with sufficient privileges to create or<br /> modify entries can persist arbitrary expression syntax within an entry<br /> field. When the affected field is subsequently

Original source: https://seclists.org/fulldisclosure/2026/Sep/20