{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100522", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-26T00:48:21.175Z", "datePublished": "2026-09-26T00:59:23.634Z", "dateUpdated": "2026-09-26T00:59:23.634Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-26T00:59:23.634Z"}, "datePublic": "2026-09-25T00:00:00.000Z", "title": "Cotonti through 1.0.0 Reflected XSS via message.php lng parameter", "descriptions": [{"lang": "en", "value": "Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng parameter is not properly escaped before output in the confirmation dialog. Unauthenticated attackers can craft malicious links with script payloads in the lng parameter to execute arbitrary JavaScript in victim browser sessions."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "Cotonti", "product": "Cotonti", "defaultStatus": "unaffected", "packageURL": "pkg:composer/cotonti/cotonti", "versions": [{"version": "0", "lessThanOrEqual": "1.0.0", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/Cotonti/Cotonti", "programFiles": ["message.php"]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:cotonti:cotonti_siena:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.0.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/Cotonti/Cotonti/issues/1907", "tags": ["issue-tracking"]}, {"url": "https://github.com/Cotonti/Cotonti/pull/1908", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/Cotonti/Cotonti/blob/1.0.0/message.php", "tags": ["technical-description"]}, {"url": "https://github.com/Cotonti/Cotonti", "tags": ["product"]}, {"name": "VulnCheck Advisory: Cotonti through 1.0.0 Reflected XSS via message.php lng parameter", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/cotonti-through-1.0.0-reflected-xss-via-message-php-lng-parameter"}], "credits": [{"lang": "en", "value": "Harsh Raj Singhania", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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