CVE-2024-43408

Discourse Placeholder Forms has a XSS stopped by CSP

MEDIUM
6.3
CVSS Score
Published: August 20, 2024 at 04:28 PM UTC
Updated: June 17, 2026 at 07:50 AM UTC
1 product affected across 1 vendorPlaceholder Theme Component

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < a62f711d5600e4e5d86f342d52932cb6221672e7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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