{"id":"CVE-2026-87939","state":"PUBLISHED","title":"Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2.","publishedAt":"2026-10-22T01:22:02.857Z","updatedAt":"2026-10-22T17:27:21.567Z","severity":{"score":4.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"drupal","products":["Drupal Feed Block"],"affected":[{"vendor":"Drupal","product":"Feed Block","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.2","versionType":"semver"},{"version":"3.0.0","status":"affected","lessThan":"3.0.2","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/feed_block","repo":"https://git.drupalcode.org/project/feed_block"}],"references":["https://www.drupal.org/sa-contrib-2026-137"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87939.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87939","state":"PUBLISHED","datePublished":"2026-10-22T01:22:02.857Z","dateUpdated":"2026-10-22T17:27:21.567Z","assignerShortName":"drupal","assignerOrgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateReserved":"2026-09-09T16:56:20.052Z"},"containers":{"cna":{"title":"Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137","descriptions":[{"lang":"en","value":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2."}],"affected":[{"vendor":"Drupal","product":"Feed Block","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.2","versionType":"semver"},{"version":"3.0.0","status":"affected","lessThan":"3.0.2","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/feed_block","repo":"https://git.drupalcode.org/project/feed_block"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-137"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"drupal","orgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateUpdated":"2026-10-22T01:22:02.857Z"},"datePublic":"2026-09-09T17:16:58.000Z","impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592 Stored XSS"}]}],"credits":[{"lang":"en","type":"finder","value":"Marcus Johansson (marcus_johansson)"},{"lang":"en","type":"remediation developer","value":"Greg Knaddison (greggles)"},{"lang":"en","type":"remediation developer","value":"Mark Fullmer (mark_fullmer)"},{"lang":"en","type":"remediation developer","value":"mmarler"},{"lang":"en","type":"coordinator","value":"Bram Driesen (bramdriesen)"},{"lang":"en","type":"coordinator","value":"Greg Knaddison (greggles)"},{"lang":"en","type":"coordinator","value":"Juraj Nemec (poker10)"},{"lang":"en","type":"coordinator","value":"Jess  (xjm)"},{"lang":"en","type":"coordinator","value":"Swan Kalata (akalata)"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.2,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-22T17:27:16.286769Z","id":"CVE-2026-87939","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-22T17:27:21.567Z"}}]}}}