Vulnerability-Lookup

GSD-2022-46148

Vulnerability from gsd - Updated: 2023-12-13 01:19

Details

Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

Aliases

CVE-2022-46148

Aliases

CVE-2022-46148

JSON

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  "GSD": {
    "alias": "CVE-2022-46148",
    "id": "GSD-2022-46148"
  },
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}

CVE-2022-46148 (GCVE-0-2022-46148)

Vulnerability from cvelistv5 – Published: 2022-11-29 00:00 – Updated: 2025-04-23 16:34

Title

Discourse allows self-XSS through malicious composer message

Summary

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 15:46 UTC

CWE

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

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: <= 2.8.10 Affected: >= 2.9.0.beta1, <= 2.9.0.beta11

Show details on NVD website

JSON

To clipboard

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          {
            "tags": [
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            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2022-46148",
                "options": [
                  {
                    "Exploitation": "none"
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                  {
                    "Automatable": "no"
                  },
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                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T15:46:22.564608Z",
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    "cna": {
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          "vendor": "discourse",
          "versions": [
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        }
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      "metrics": [
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.