{"id":"CVE-2025-59526","state":"PUBLISHED","title":"Mailgen: HTML injection vulnerability in plaintext e-mails","description":"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).","publishedAt":"2025-09-22T19:27:53.323Z","updatedAt":"2025-09-22T19:45:47.069Z","severity":{"score":2.7,"label":"Low","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["eladnava mailgen"],"affected":[{"vendor":"eladnava","product":"mailgen","versions":[{"version":"< 2.0.30","status":"affected"}]}],"references":["https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp","https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/59xxx/CVE-2025-59526.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-59526","state":"PUBLISHED","datePublished":"2025-09-22T19:27:53.323Z","dateUpdated":"2025-09-22T19:45:47.069Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-09-17T17:04:20.372Z"},"containers":{"cna":{"title":"Mailgen: HTML injection vulnerability in plaintext e-mails","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)."}],"affected":[{"vendor":"eladnava","product":"mailgen","versions":[{"version":"< 2.0.30","status":"affected"}]}],"references":[{"url":"https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp","name":"https://github.com/eladnava/mailgen/security/advisories/GHSA-j2xj-h7w5-r7vp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d","name":"https://github.com/eladnava/mailgen/commit/741a0190ddae0f408b22ae3b5f0f4c3f5cf4f11d","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-09-22T19:27:53.323Z"},"source":{"advisory":"GHSA-j2xj-h7w5-r7vp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-09-22T19:45:47.069Z"}}]}}}