CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.5 | $0-$5k | 0.00 |
A vulnerability was found in Joomla CMS up to 3.8.7 (Content Management System). It has been classified as problematic. This affects an unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:
An issue was discovered in Joomla! Core before 3.8.8. Inadequate input filtering leads to a multiple XSS vulnerabilities. Additionally, the default filtering settings could potentially allow users of the default Administrator user group to perform a XSS attack.
The bug was discovered 05/05/2018. The weakness was disclosed 05/22/2018 by Security Team with FortiGuard Labs (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2018-11326 since 05/21/2018. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 17 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 154016 (Joomla! 3.0.0 through 3.8.7 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, 118074 and 118075 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.6VulDB Meta Temp Score: 3.5
VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 110227
Nessus Name: Joomla! < 3.8.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 65624
OpenVAS Name: Joomla! Core Multiple Vulnerabilities-02 May18 (20180507/20180505/20180504)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: CMS 3.8.8
Timeline
05/05/2018 🔍05/21/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/23/2018 🔍
05/31/2018 🔍
03/14/2023 🔍
Sources
Vendor: joomla.orgAdvisory: securityfocus.com⛔
Researcher: Security Team
Organization: FortiGuard Labs
Status: Not defined
CVE: CVE-2018-11326 (🔍)
SecurityTracker: 1040966
SecurityFocus: 104270 - Joomla! Core CVE-2018-11326 Multiple Cross Site Scripting Vulnerabilities
See also: 🔍
Entry
Created: 05/23/2018 08:49Updated: 03/14/2023 15:53
Changes: 05/23/2018 08:49 (74), 05/31/2020 17:24 (6), 03/14/2023 15:53 (4)
Complete: 🔍
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