CVE-2018-17858 Cross-site request forgery in n/a
Attackers can perform unauthorized actions in the Joomla backend installer due to insufficient CSRF protection.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-17858?
CVE-2018-17858 is a high-severity vulnerability in Joomla Joomla\!, published on 9 Oct 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Joomla! before 3.8.13. com_installer actions do not have sufficient CSRF hardening in the backend.
Weakness: CWE-352
Which versions are affected by CVE-2018-17858?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2018-17858?
No fix has been published for CVE-2018-17858 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-17858 being exploited?
There is no known exploitation of CVE-2018-17858 in the wild and no public exploit code.
Other vulnerabilities in Joomla Joomla\!
- CVE-2016-10033 PHPMailer Command Injection
- CVE-2023-23752 Joomla! Improper Access Control
- CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
- CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package
- CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism
Sources
Also known as GHSA-2x2c-h542-whv5.