StackIdeas EasyDiscuss up to 4.0.20 on Joomla cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in StackIdeas EasyDiscuss up to 4.0.20 on Joomla. It has been rated as problematic. Affected is an unknown function. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2018-5263. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability was found in StackIdeas EasyDiscuss up to 4.0.20 on Joomla (Joomla Component). It has been declared as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

The StackIdeas EasyDiscuss (aka com_easydiscuss) extension before 4.0.21 for Joomla! allows XSS.

The bug was discovered 01/07/2018. The weakness was disclosed 01/08/2018 (Website). The advisory is shared at stackideas.com. This vulnerability is known as CVE-2018-5263 since 01/07/2018. The attack can be launched remotely. The successful exploitation requires a single authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.0.21 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43488). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EasyDiscuss 4.0.21

Timelineinfo

01/07/2018 🔍
01/07/2018 +0 days 🔍
01/08/2018 +1 days 🔍
01/08/2018 +0 days 🔍
01/09/2018 +1 days 🔍
06/08/2025 +2707 days 🔍

Sourcesinfo

Advisory: stackideas.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5263 (🔍)
GCVE (CVE): GCVE-0-2018-5263
GCVE (VulDB): GCVE-100-111517
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/09/2018 08:19 AM
Updated: 06/08/2025 04:07 PM
Changes: 01/09/2018 08:19 AM (60), 06/26/2020 06:46 PM (5), 06/08/2025 04:07 PM (18)
Complete: 🔍
Cache ID: 244:044:40

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