CVE-2023-2259 Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io
Attackers can execute arbitrary code via template injection in the alf.io event ticketing system, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2259?
CVE-2023-2259 is a critical code injection vulnerability in alfio-event/alf.io, published on 24 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.
Which versions are affected by CVE-2023-2259?
It affects 1 product.
Products include Alf Alf.
How do I fix CVE-2023-2259?
No fix has been published for CVE-2023-2259 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-2259 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2259 exists.
Other vulnerabilities in alfio-event/alf.io
- CVE-2024-25635 IDOR Vulnerability: Allowing Organization Owner to view the other Organizations API KEY and USERS
- CVE-2023-2258 Improper Neutralization of Formula Elements in a CSV File in alfio-event/alf.io
- CVE-2023-2260 Authorization Bypass Through User-Controlled Key in alfio-event/alf.io
- CVE-2026-35482 alf.io has an Authenticated RCE via Extension Script Sandbox Escape
- CVE-2024-25628 Insufficient Session Expiration in alf.io
Sources
Also known as GHSA-4w64-j7cg-53xc.