{"id":"CVE-2026-10770","aliases":["DRUPAL-CONTRIB-2026-042","EUVD-2026-43048","GHSA-fhcj-f666-rhjr"],"status":"published","title":"Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00256,"percentile":0.17355,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-06-03T16:14:56Z","modified":"2026-10-28T02:30:38Z","fixes":[{"ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/cleantalk","fixed_in":["9.7.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Packagist:https://packages.drupal.org/8","package":"drupal/cleantalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.7.1"}]}]}],"products":[{"vendor":"cleantalk","product":"anti-spam"},{"vendor":"drupal","product":"anti-spam by cleantalk"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-042","tags":["Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10770","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fhcj-f666-rhjr"},{"url":"https://git.drupalcode.org/project/cleantalk","tags":["web"]},{"url":"https://www.drupal.org/project/cleantalk","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10770.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-10770","title":"Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","status":"published","published":"2026-07-10T21:42:57.867Z","modified":"2026-07-14T14:34:48.521Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:40:12.486331Z"}],"euvd":[{"id":"EUVD-2026-43048","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","status":"published","published":"2026-07-10T21:42:57Z","modified":"2026-07-14T14:34:48Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:19:59.713046Z"}],"ghsa":[{"id":"GHSA-fhcj-f666-rhjr","title":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")...","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","status":"published","published":"2026-07-11T00:31:46Z","modified":"2026-07-14T15:32:07Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:09:27.031Z"}],"nvd":[{"id":"CVE-2026-10770","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","status":"published","published":"2026-07-10T22:16:38.77Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:28.771746Z"}],"osv":[{"id":"CVE-2026-10770","title":"Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042","description":"Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Anti-Spam by CleanTalk allows Reflected XSS. This issue affects Anti-Spam by CleanTalk versions: from 0.0.0 to 9.7.1.","status":"published","published":"2026-07-10T21:42:57.867Z","modified":"2026-10-28T02:30:38.667695398Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:54.933106Z"},{"id":"DRUPAL-CONTRIB-2026-042","description":"This module provides spam protection using the CleanTalk cloud service.\n\nThe module doesn't sufficiently sanitize API response messages before rendering them in HTML output. The `_cleantalk_die()` and `ct_die()` functions output the CleanTalk API response message directly into HTML without proper sanitization, allowing potential injection of arbitrary HTML or JavaScript.\n\nThis vulnerability is mitigated by the fact that an attacker must be able to influence the CleanTalk cloud API response (e.g., through a man-in-the-middle attack or a compromised API server).","status":"published","published":"2026-06-03T16:14:56Z","modified":"2026-09-10T03:45:36.182755407Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}