7.3
HIGH
CVE-2024-21686
Atlassian Confluence Stored XSS Vulnerability
Description

This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server. This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives). This vulnerability was reported via our Bug Bounty program.

INFO

Published Date :

July 16, 2024, 8:15 p.m.

Last Modified :

July 17, 2024, 1:34 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2024-21686 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Atlassian confluence_server
2 Atlassian confluence_data_center
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-21686.

URL Resource
https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917
https://jira.atlassian.com/browse/CONFSERVER-96134

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-21686 vulnerability anywhere in the article.

  • Cybersecurity News
CVE-2024-21689: RCE Vulnerability in Atlassian Bamboo Data Center and Server

Atlassian, a global leader in software development tools, has issued a security advisory for its Bamboo Data Center and Server products, highlighting a high-severity Remote Code Execution (RCE) vulner ... Read more

Published Date: Aug 21, 2024 (3 months ago)
  • Cybersecurity News
CVE-2024-5290: Wi-Fi Flaw Leaves Millions Vulnerable to Root Takeover

Security researchers have uncovered a critical vulnerability in wpa_supplicant, a ubiquitous software component responsible for managing Wi-Fi connections on countless devices. The flaw, dubbed CVE-20 ... Read more

Published Date: Aug 09, 2024 (3 months, 1 week ago)
  • Cybersecurity News
Cisco Warns of Public PoC Exploit Code of Critical CVE-2024-20419 (CVSS 10) Flaw

Cisco has recently updated its security advisory, alerting users to a critical vulnerability identified as CVE-2024-20419. This flaw affects the Cisco Smart Software Manager On-Prem (Cisco SSM On-Prem ... Read more

Published Date: Aug 08, 2024 (3 months, 1 week ago)
  • Cybersecurity News
Apache CloudStack Releases Critical Patches (CVE-2024-42062 and CVE-2024-42222)

The Apache CloudStack project has issued an urgent security advisory, urging users to update their software immediately to address two critical vulnerabilities, CVE-2024-42062 and CVE-2024-42222. Thes ... Read more

Published Date: Aug 08, 2024 (3 months, 1 week ago)

The following table lists the changes that have been made to the CVE-2024-21686 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Received by [email protected]

    Jul. 16, 2024

    Action Type Old Value New Value
    Added Description This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server. This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives). This vulnerability was reported via our Bug Bounty program.
    Added Reference Atlassian https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917 [No types assigned]
    Added Reference Atlassian https://jira.atlassian.com/browse/CONFSERVER-96134 [No types assigned]
    Added CVSS V3 Atlassian AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-21686 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-21686 weaknesses.

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability