GHSA-q73p-x2mp-8gm9CriticalCVSS 8.1
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that...
🔗 CVE IDs covered (1)
📋 Description
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-114403
- https://github.com/PHPOffice/PHPPresentation
- https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/IOFactory.php#L39
- https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Reader/Serialized.php#L77-L109
- https://hackmd.io/@leediay/multiple_vulnerable_phppresentation
- https://www.vulncheck.com/advisories/phpoffice-phppresentation-through-1.2.0-deserialization-via-reader-serialized-load
- https://github.com/advisories/GHSA-q73p-x2mp-8gm9