Vulnerability-Lookup

FKIE_CVE-2026-112184

Vulnerability from fkie_nvd - Published: 2026-10-19 10:16 - Updated: 2026-10-19 18:17

Severity

4.8 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Summary

MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser. Preconditions: - The attacker must be able to control or influence parameter names reported by the misp-modules service. - A victim must be authenticated and view the affected workflow module page. Impact: - Execution of arbitrary JavaScript in the victim's browser session. - Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim. Affected versions: <2.5.48.

References

	URL	Tags
	5a6e4751-2f3f-4070-9419-94fb35b644e8	https://github.com/MISP/MISP/commit/813a48b2b

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Workflow Modules (Module_misp_module)"
          ],
          "product": "MISP",
          "programFiles": [
            "app/Model/WorkflowModules/Module_misp_module.php"
          ],
          "repo": "https://github.com/MISP/MISP",
          "vendor": "MISP",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user\u0027s browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim\u0027s browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48."
    }
  ],
  "id": "CVE-2026-112184",
  "lastModified": "2026-10-19T18:17:03.870",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
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        "type": "Secondary"
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    "ssvcV203": [
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        "ssvcData": {
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          "timestamp": "2026-10-19T09:16:56Z",
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  "published": "2026-10-19T10:16:47.210",
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  "vulnStatus": "Deferred",
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          "value": "CWE-79"
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}

CVE-2026-112184 (GCVE-0-2026-112184)

Vulnerability from cvelistv5 – Published: 2026-10-19 09:19 – Updated: 2026-10-19 17:14

Title

MISP Workflow Module: Reflected XSS via Unescaped misp-modules Parameter Names in Form Labels

Summary

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

Supplier · CIRCL (v2.0.3)

Decision recorded 2026-10-19 09:16 UTC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-19 17:14 UTC

CWE

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

Assigner

CIRCL CNA under the ENISA root

CNA scorecard A 90/100 over 244 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/MISP/MISP/commit/813a48b2b	patch

Impacted products

1 product

Vendor	Product	Version
MISP	MISP	Affected: 0 , < 2.5.48 (semver) cpe:2.3:a:misp:misp::::::::

Credits

Jeroen Pinoy iglocska Claude Opus 5.5 (1M context)

GCVE extensions

AI-generated Human-reviewed Confidence: medium Model qwen3.8:27b 1 event advisory bcp-05-x-01bcp-05-x-02bcp-05-x-03

bcp-05-x-01

AI-assisted vulnerability information annotation

GCVE-BCP-05-X-01

Whole record AI-generated Human-reviewed GNA-1

Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. Human validation is required before publication.

ai-computer-assisted:llm-generatedai-computer-assisted:classification

Model	Source	Identifier
qwen3.8:27b	ollama	`qwen3.8:27b`

bcp-05-x-02

Patch-to-vulnerability generation provenance

GCVE-BCP-05-X-02

Generator: patch2vuln.py on 2026-10-19 09:16
Model: qwen3.8:27b
Input: https://github.com/MISP/MISP/commit/813a48b2b.patch 691d31d09a8d…
Confidence: medium

Commit	Subject	Patch SHA-256
`813a48b2bac0`	fix: [workflows] Escape misp-module parameter names used as	`691d31d09a8d…`

Fix summary

The fix applies HTML output encoding (the h() helper) to the parameter name before it is used as a form label, ensuring that any HTML metacharacters in the value are neutralized and rendered as inert text rather than executable markup.

Patch summary

In app/Model/WorkflowModules/Module_misp_module.php, the translateParams method was modified: the 'label' array element changed from Inflector::humanize($paramName) to h(Inflector::humanize($paramName)), wrapping the humanized parameter name in CakePHP's HTML-encoding function before it is assigned as a form label.

CVSS rationale

AV:N – web-based, reachable over the network. AC:L – no race or special timing; the misp-modules service simply needs to return a crafted parameter name. AT:N – no manipulation of the target system required. PR:L – the victim must be an authenticated MISP user to view the workflow module page. UI:A – the victim must actively load the workflow module page for the script to execute. VC/VI/VA:N – the MISP server itself is not compromised. SC:L – the attacker can read cookies or session data in the victim's browser. SI:L – the attacker can modify the page or perform actions in the victim's session. SA:N – no elevation of security authority on the server.

Weakness rationale

CWE-79 The parameter name from an external service is inserted into HTML output (a form label) without HTML encoding, allowing injected markup or script to execute in the victim's browser. This is a textbook reflected XSS.

Attack pattern rationale

CAPEC-1 The misp-modules service supplies parameter names that are reflected into the HTML of the workflow module page without encoding. The attacker-controlled data flows from an external source into the rendered output, matching the reflected XSS pattern. Uncertainty: the data originates from a backend service rather than a direct HTTP parameter, but the effect (untrusted data reflected into HTML without encoding) is functionally identical to reflected XSS.

Assumptions to verify

The misp-modules service is assumed to be a component whose output can be influenced by a module developer or a compromised service endpoint; the exact attack vector for injecting a malicious parameter name is not detailed in the patch.
MISP requires authentication to access the workflow module page; PR:L is assumed based on MISP's standard access model.
The affected version boundary (< 2.5.48) is inferred from the tag_version_boundary metadata (v2.5.48, 25 commits after fix); the exact first affected version is not specified.
CAPEC-1 (Reflected XSS) is the closest match; the data source is a backend service rather than a direct request parameter, but the unencoded reflection into HTML is the defining characteristic.
The h() function is assumed to be CakePHP's HTML-encoding helper (equivalent to htmlspecialchars), based on the framework context of the MISP codebase.

Model comparison

Selected qwen3.8:27b by deterministic-consensus-v1
The selected result is closest to model consensus; this heuristic does not establish factual correctness and human review remains required.

Model	Score	Agreement	Confidence	Assumptions
`qwen3.8:27b`	7	11	medium	5

bcp-05-x-03

Vulnerability handling and disclosure timeline

GCVE-BCP-05-X-03

2026-09-24 22:12 UTC Fix developed Corrective change authored (813a48b2bac0c9034f532b9181ac9a0c5fa59857): fix: [workflows] Escape misp-module parameter names used as https://github.com/MISP/MISP/commit/813a48b2b.patch

Show details on NVD website

JSON

To clipboard

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                      "Technical Impact": "partial"
                    }
                  ],
                  "role": "Supplier",
                  "timestamp": "2026-10-19T09:16:56Z",
                  "version": "2.0.3"
                },
                "subject": "fix: [workflows] Escape misp-module parameter names used as",
                "tagVersionBoundary": {
                  "commits_after_fix": 25,
                  "repository": "https://github.com/MISP/MISP",
                  "tag": "v2.5.48",
                  "version": "2.5.48",
                  "version_type": "semver"
                },
                "weaknessRationale": [
                  {
                    "cweId": "CWE-79",
                    "rationale": "The parameter name from an external service is inserted into HTML output (a form label) without HTML encoding, allowing injected markup or script to execute in the victim\u0027s browser. This is a textbook reflected XSS."
                  }
                ]
              }
            },
            "bcp-05-x-03": {
              "x_timeline": {
                "events": [
                  {
                    "description": "Corrective change authored (813a48b2bac0c9034f532b9181ac9a0c5fa59857): fix: [workflows] Escape misp-module parameter names used as",
                    "id": "evt-fix-developed-1",
                    "references": [
                      "https://github.com/MISP/MISP/commit/813a48b2b.patch"
                    ],
                    "timestamp": "2026-09-24T22:12:54Z",
                    "type": "fix-developed"
                  }
                ]
              }
            }
          },
          "recordType": "advisory",
          "vulnId": "GCVE-1-2026-20332"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
    "assignerShortName": "CIRCL",
    "cveId": "CVE-2026-112184",
    "datePublished": "2026-10-19T09:19:45.056Z",
    "dateReserved": "2026-10-19T09:19:41.258Z",
    "dateUpdated": "2026-10-19T17:14:52.401Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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