{"id":"CVE-2026-87949","kind":"vulnerability","aliases":["CVE-2026-87949"],"related":[],"title":"Drupal SAML SSO Service Provider: cross-site scripting via unsanitized input","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal SAML SSO - Service Provider  allows Cross-Site Scripting (XSS). This issue affects SAML SSO - Service Provider  versions: from 0.0.0 to 3.2.0.","summary":"The Drupal SAML SSO - Service Provider module fails to neutralize input when generating web pages, enabling cross-site scripting. An attacker can run script in a victim's browser on the affected Drupal site.","severity":"low","cvss":3.3,"epss":0.00167,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["drupal","package","php","saml"],"not_affected_if":["module-not-installed"],"how_to_check":"- Check the installed version of the SAML SSO - Service Provider module with `drush pm:list --filter=saml` or on the module's admin page; versions up to and including `3.2.0` are affected.","fix":"- Upgrade the SAML SSO - Service Provider module to a version later than `3.2.0`, per the Drupal security advisory; the exact fixed version is unknown from the sources.","status":"open","published_at":"2026-10-22T02:17:04+00:00","first_seen_at":"2026-10-23T21:57:30+00:00","triaged_at":"2026-10-25T04:45:54+00:00","updated_at":"2026-10-25T04:45:54+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:45:54Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade the SAML SSO - Service Provider module to a version later than `3.2.0`, per the Drupal security advisory; the exact fixed version is unknown from the sources.","reach":"internet","title":"Drupal SAML SSO Service Provider: cross-site scripting via unsanitized input","impact":"medium","summary":"The Drupal SAML SSO - Service Provider module fails to neutralize input when generating web pages, enabling cross-site scripting. An attacker can run script in a victim's browser on the affected Drupal site.","category":"package","nicknames":[],"who_cares":["drupal","saml","php"],"confidence":0.6,"needs_auth":"unknown","worst_case":"script runs in users' browsers, session tokens may be stolen","analyst_note":"Confirm the fixed version and whether exploitation needs a logged-in user or a crafted link at https://nvd.nist.gov/vuln/detail/CVE-2026-87949 and the Drupal security advisory.","how_to_check":"- Check the installed version of the SAML SSO - Service Provider module with `drush pm:list --filter=saml` or on the module's admin page; versions up to and including `3.2.0` are affected.","needs_analyst":true,"not_affected_if":["module-not-installed"],"who_is_affected":"Drupal sites that have the SAML SSO - Service Provider module installed at version 3.2.0 or earlier are affected. Sites that do not use this module can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000609,"input_tokens":3372,"output_tokens":543,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-87949':15A,18A '0.0.0':92C '3.2.0':94C 'affect':55B,85C 'allow':77C 'attack':44B 'browser':52B 'cross':7A,40B,67C,79C 'cross-sit':6A,39B,66C,78C 'cve':13A,16A 'drupal':1A,19B,24B,56B,72C 'enabl':38B 'fail':30B 'generat':35B,65C 'improp':58C 'input':12A,33B,61C 'issu':84C 'modul':29B 'neutral':32B,59C 'packag':20B 'page':37B,64C 'php':21B 'provid':5A,28B,76C,89C 'run':46B 'saml':2A,22B,25B,73C,86C 'script':9A,42B,47B,69C,81C 'servic':4A,27B,75C,88C 'site':8A,41B,57B,68C,80C 'sso':3A,26B,74C,87C 'unsanit':11A 'version':90C 'via':10A 'victim':50B 'vulner':70C 'web':36B,63C 'xss':82C","nicknames":[],"mitigations":[],"who_affected":"Drupal sites that have the SAML SSO - Service Provider module installed at version 3.2.0 or earlier are affected. Sites that do not use this module can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-22T02:17:04+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-87949","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87949","severity":null,"published_at":"2026-10-22T02:17:04+00:00","modified_at":"2026-10-22T17:17:01+00:00","first_seen_at":"2026-10-23T21:57:30+00:00","fetched_at":"2026-10-23T22:29:02+00:00","note":null},{"source":"epss","external_id":"CVE-2026-87949","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-87949","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:52+00:00","fetched_at":"2026-10-24T07:15:52+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}