CVE-2018-17857 Missing authorization in n/a
Attackers can bypass access controls to view restricted content due to inadequate checks on tags search fields in Joomla.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-17857?
CVE-2018-17857 is a medium-severity missing authorization vulnerability in Joomla Joomla\!, published on 9 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Joomla! before 3.8.13. Inadequate checks on the tags search fields can lead to an access level violation.
Weakness: CWE-863
Which versions are affected by CVE-2018-17857?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2018-17857?
No fix has been published for CVE-2018-17857 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2018-17857 being exploited?
There is no known exploitation of CVE-2018-17857 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-969x-wv76-2jw5.