GHSA-2VCX-H8P2-9PG9 Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()

Summary An authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool. The method Installer::unZip calls ZipArchive::extractTo without any limit on uncompressed size, entry count, or directory depth, enabling Zip Bom...

CVE-2026-53757: Improper Limitation of a Pathname to a Restricted Directory

Emlog is an open source website building system. In versions 2.6.29 and prior, the emUnZip function extracts all ZIP entries via ZipArchive::extractTo without validating entry paths for ../ traversal sequences. Only the first entry's subdirectory structure is checked. An attacker can overwrite...

CVE-2026-61639: Improper Limitation of a Pathname to a Restricted Directory

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/db/restore.php calls ZipArchive::extractTo without validating entry names for ../ sequences. Admin uploads crafted zip with entry logos/../../endpoints/shell.php to write webshell to...

CVE-2026-57863: Improper Limitation of a Pathname to a Restricted Directory

Crater Invoice through 6.0.6 contains a path traversal vulnerability in the self-update API that allows authenticated company owners to write arbitrary files outside the intended extraction directory by supplying crafted ZIP archives with ../ sequences to the unzip endpoint. Attackers can exploit...

The vulnerability of the `ziparchive::extractto` function in the PHP programming language lies in its lack of name-based path limitation, allowing attackers to create arbitrary directories.

The vulnerability of the ziparchive::extractto function in the PHP programming language is related to deficiencies in pathname restrictions for directories. Exploiting this vulnerability could allow an attacker to create arbitrary directories remotely...

The vulnerability of the ZipArchive::extractTo function in the PHP interpreter allows a attacker to create or overwrite files.

The vulnerability of the ZipArchive::extractTo function in the PHP interpreter exists due to an incorrect limitation on the path name of the restricted directory. Exploiting this vulnerability could allow a malicious actor to create or re-record files remotely...

PHP 7.4.x < 7.4.24 Arbitrary File Write

The version of PHP installed on the remote host is 7.4.x prior to 7.4.25. It is, therefore, affected by a vulnerability as referenced in the version 7.4.24 advisory. In the Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when...

PHP 7.3.x < 7.3.31 Arbitrary File Write

The version of PHP installed on the remote host is 7.3.x prior to 7.3.31. It is, therefore, affected by a vulnerability as referenced in the version 7.3.31 advisory. In the Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when...

Design/Logic Flaw

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS...

CVE-2021-21706

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS...

CVE-2021-21706 ZipArchive::extractTo may extract outside of destination dir

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS...

PHP 7.0.x < 7.0.0 Multiple Vulnerabilities

According to its banner, the version of PHP running on the remote web server is 7.x prior to 7.0.0. It is, therefore, affected by the following vulnerabilities: - A directory traversal vulnerability in the ZipArchive::extractTo function of ext/zip/phpzip.c script. An unauthenticated, remote...

CVE-2014-9767

Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/phpzip.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 and ext/zip/extzip.cpp in HHVM before 3.12.1 allows remote attackers to create arbitrary empty directories via a crafted ZIP archive...

SE-2008-06.txt

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SektionEins GmbH www.sektioneins.de -= Security Advisory =- Advisory: PHP ZipArchive::extractTo Directory Traversal Vulnerability Release Date: 2008/12/04 Last Modified: 2008/12/04 Author: Stefan Esser stefan.esseratsektioneins.de Application: PHP 5 =...