{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-120500",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-11-02T15:17:31.034Z",
        "datePublished": "2026-11-02T15:31:36.427Z",
        "dateUpdated": "2026-11-02T16:05:16.864Z"
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                "dateUpdated": "2026-11-02T15:31:36.427Z"
            },
            "datePublic": "2026-10-31T00:00:00.000Z",
            "title": "An Otter Wiki before 2.26.2 Stored XSS via Math Code Block",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An Otter Wiki before 2.26.2 contains a stored cross-site scripting vulnerability in OtterwikiMdRenderer.block_code that allows attackers who can edit pages, including anonymous users under the default configuration, to inject arbitrary script. Attackers can place HTML inside a math fenced code block, which is rendered unescaped and executes for every viewer of the page."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "cweId": "CWE-79",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "redimp",
                    "product": "otterwiki",
                    "packageURL": "pkg:pypi/otterwiki",
                    "repo": "https://github.com/redimp/otterwiki",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "2.0.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.26.2"
                        }
                    ]
                }
            ],
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "LOW",
                        "subIntegrityImpact": "LOW",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM"
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                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM"
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            ],
            "references": [
                {
                    "url": "https://github.com/redimp/otterwiki/commit/b2e91d20ed36c01ce140d18698f9abb90685d481",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/redimp/otterwiki/releases/tag/v2.26.2",
                    "tags": [
                        "release-notes"
                    ],
                    "name": "otterwiki v2.26.2 Release Notes"
                },
                {
                    "name": "VulnCheck Advisory: An Otter Wiki before 2.26.2 Stored XSS via Math Code Block",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/an-otter-wiki-before-2.26.2-stored-xss-via-math-code-block"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Zachariah Mithani (AploSec)",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Ralph Thesen",
                    "type": "remediation developer"
                }
            ],
            "x_generator": {
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-11-02T16:05:05.332198Z",
                                "id": "CVE-2026-120500",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-11-02T16:05:16.864Z"
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}