---
title: "[20181003] - Core - Access level Violation in com_tags"
description: "We help designers, developers, hobbyists and business owners get the most out of the Joomla CMS.  Join us at our free monthly meetups, and let us help you with your Joomla projects."
url: "https://www.joomlalondon.co.uk/official-joomla-announcements/20181003-core-access-level-violation-in-com-tags"
date: "2026-09-09T14:29:56+00:00"
language: "en-GB"
---

#  \[20181003\] - Core - Access level Violation in com\_tags

- **Project:** Joomla!
- **SubProject:** CMS
- **Impact:** Moderate
- **Severity:** Low
- **Versions:** 3.1.0 through 3.8.12
- **Exploit type:** ACL Violation
- **Reported Date:** 2018-June-20
- **Fixed Date:** 2018-October-02
- **CVE Number:** [CVE-2018-17857](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17857)

### Description

Inadequate checks on the tags search fields can lead to an access level violation.

### Affected Installs

Joomla! CMS versions 3.1.0 through 3.8.12

### Solution

Upgrade to version 3.8.13

### Contact

The JSST at the [Joomla! Security Centre](https://developer.joomla.org/security-centre.html "Contact the JSST").

**Reported By:** Андрей КапитановRead more  [http://feeds.joomla.org/~r/JoomlaSecurityNews/~3/nIIfD6jUDgU/753-20181003-core-access-level-violation-in-com-tags.html](http://feeds.joomla.org/~r/JoomlaSecurityNews/~3/nIIfD6jUDgU/753-20181003-core-access-level-violation-in-com-tags.html "[20181003] - Core - Access level Violation in com_")

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Start", "item": "https://www.joomlalondon.co.uk" }, { "@type": "ListItem", "position": 2, "name": "Official Joomla! Announcements", "item": "https://www.joomlalondon.co.uk/official-joomla-announcements" }, { "@type": "ListItem", "position": 3, "name": "[20181003] - Core - Access level Violation in com_tags", "item": "https://www.joomlalondon.co.uk/official-joomla-announcements/20181003-core-access-level-violation-in-com-tags" } ] }
```