{"id":"CVE-2026-87939","title":"Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137","summary":"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.","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","cvssSource":"adp","cwe":["CWE-79"],"vendor":"Drupal","product":"Feed Block","affected":["feed_block >= 0.0.0 < 2.0.2","feed_block >= 3.0.0 < 3.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T17:27:16.286769Z"},"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T17:27:21.567Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-87939","references":[{"url":"https://www.drupal.org/sa-contrib-2026-137"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T02:23:25.195Z","slug":"CVE-2026-87939","body":"## Overview\n\nImproper 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.\n\n## Affected\n\n- `feed_block >= 0.0.0 < 2.0.2`\n- `feed_block >= 3.0.0 < 3.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":227841,"id":"CVE-2026-87939","ts":1792706663619,"field":"cvss","old":null,"new":"4.2"},{"seq":227840,"id":"CVE-2026-87939","ts":1792706663619,"field":"severity","old":"none","new":"medium"}]}