CVE-2024-43408

Discourse Placeholder Forms has a XSS stopped by CSP

Severity Score

6.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Discourse Placeholder Forms will let you build dynamic documentation. Unsanitized and stored user input was injected in the html of the post. The vulnerability is fixed in commit a62f711d5600e4e5d86f342d52932cb6221672e7.

*Credits: N/A

CVSS Scores

GitHubv3.1 6.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-08-12 CVE Reserved
2024-08-20 CVE Published
2024-08-21 EPSS Updated
2024-09-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source
https://github.com/discourse/discourse-placeholder-theme-component/commit/a62f711d5600e4e5d86f342d52932cb6221672e7	X_refsource_misc
https://github.com/discourse/discourse-placeholder-theme-component/security/advisories/GHSA-9wx4-cmv3-g5jw	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Discourse Search vendor "Discourse"		Discourse-placeholder-theme-component Search vendor "Discourse" for product "Discourse-placeholder-theme-component"				*		en		Affected