TYPO3 Path Disclosure in Standalone Install Tool, fixed in 12.4.8
CVE-2023-47126 Published on November 14, 2023
Information Disclosure in Install Tool in typo3/cms-install
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions the login screen of the standalone install tool discloses the full path of the transient data directory (e.g. /var/www/html/var/transient/). This applies to composer-based scenarios only - classic non-composer installations are not affected. This issue has been addressed in version 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Vulnerability Analysis
CVE-2023-47126 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2023-47126 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2023-47126
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Affected Versions
typo3 Version >= 12.2.0, < 12.4.8 is affected by CVE-2023-47126Vulnerable Packages
The following package name and versions may be associated with CVE-2023-47126
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| composer | typo3/cms-install | >= 12.2.0, < 12.4.8 | 12.4.8 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.