{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-59526", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-09-17T17:04:20.372Z", "datePublished": "2025-09-22T19:27:53.323Z", "dateUpdated": "2025-09-22T19:45:47.069Z"}, "containers": {"cna": {"title": "Mailgen: HTML injection vulnerability in plaintext e-mails", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "baseScore": 2.7, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L/E:U", "version": "4.0"}}], "references": [{"name": "https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp"}, {"name": "https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d", "tags": ["x_refsource_MISC"], "url": "https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d"}], "affected": [{"vendor": "eladnava", "product": "mailgen", "versions": [{"version": "< 2.0.30", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-09-22T19:27:53.323Z"}, "descriptions": [{"lang": "en", "value": "mailgen is a Node.js package that generates responsive HTML e-mails for sending transactional mail. Prior to version 2.0.30, there is an HTML injection vulnerability in plaintext e-mails generated by Mailgen. Projects are affected if the Mailgen.generatePlaintext(email) method is used and given user-generated content. This vulnerability has been patched in version 2.0.30. A workaround involves stripping all HTML tags before passing any content into Mailgen.generatePlaintext(email)."}], "source": {"advisory": "GHSA-j2xj-h7w5-r7vp", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-09-22T19:45:35.846960Z", "id": "CVE-2025-59526", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2025-09-22T19:45:47.069Z"}}]}}

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{"bugzilla": {"description": "mailgen: Mailgen: HTML injection vulnerability in plaintext e-mails", "id": "2397492", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397492"}, "csaw": false, "cwe": "CWE-79", "details": ["No description is available for this CVE."], "name": "CVE-2025-59526", "public_date": "2025-09-22T19:27:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-59526\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-59526\nhttps://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d\nhttps://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp"], "threat_severity": "Low"}