CVE-2024-28242

Disclosure of the existence of secret categories with custom backgrounds in Discourse

HIGH

7.5

CVSS Score

Published: March 15, 2024 at 07:21 PM UTC

Updated: June 17, 2026 at 07:21 AM UTC

1 product affected across 1 vendorDiscourse

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that secret categories exist when they have backgrounds set. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are advised to upgrade. Users unable to upgrade should temporarily remove category backgrounds.

Affected

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

Discourse · Discourse

95%

v ≤ 3.2.0v ≤ 3.3.0.beta1v < 3.2.0v < 3.3.0beta ≤ v ≤ 3.3.0.beta1tests-passed ≤ v ≤ 3.3.0.beta13.3.0 3.3.0 beta1 beta tests-passed

Affected range stops below 3.2.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.3.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/discourse/discourse/commit/b425fbc2a28341a5627928f963519006712c3d39

References (2)

x_refsource_MISCPatch

Source: [email protected]

https://github.com/discourse/discourse/commit/b425fbc2a28341a5627928f963519006712c3d39

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/discourse/discourse/security/advisories/GHSA-c7q7-7f6q-2c23

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-200

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