VDB-118074 · CVE-2018-11323 · BID 104276

Joomla CMS up to 3.8.7 Permission access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Joomla CMS up to 3.8.7 (Content Management System). Affected is an unknown code block of the component Permission. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify the access levels of user groups with higher permissions.

The bug was discovered 05/01/2018. The weakness was shared 05/22/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2018-11323 since 05/21/2018. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 110227 (Joomla! < 3.8.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 154015 (Joomla! Prior to 3.8.8 Multiple Vulnerabilities).

Upgrading to version 3.8.8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110227). The entries 118072, 118073, 118075 and 118076 are related to this item.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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NVD Base Score: 8.8
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 110227
Nessus Name: Joomla! < 3.8.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 65242
OpenVAS Name: Joomla! Core Multiple Vulnerabilities-01 May18 (20180502/20180501)
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: CMS 3.8.8


05/01/2018 🔍
05/21/2018 +20 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/23/2018 +1 days 🔍
05/31/2018 +8 days 🔍
03/14/2023 +1748 days 🔍


Vendor: joomla.org

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2018-11323 (🔍)
SecurityTracker: 1040966
SecurityFocus: 104276 - Joomla! CVE-2018-11323 Security Bypass Vulnerability

See also: 🔍


Created: 05/23/2018 08:47 AM
Updated: 03/14/2023 03:35 PM
Changes: 05/23/2018 08:47 AM (75), 05/31/2020 05:10 PM (4), 03/14/2023 03:35 PM (4)
Complete: 🔍


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