{"id":"CVE-2026-109933","aliases":["EUVD-2026-108586","GHSA-655q-x6wx-x8mp"],"status":"published","title":"Otter Blocks \u003c 3.2.8 - Contributor+ Stored XSS via Block Style Attributes","description":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00306,"percentile":0.23728,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-23T06:00:17Z","modified":"2026-10-23T14:20:57Z","products":[{"vendor":"unknown","product":"otter blocks"}],"references":[{"url":"https://wpscan.com/vulnerability/a2a19770-9ee2-4164-9ea6-a882cf0085e9/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109933"},{"url":"https://wpscan.com/vulnerability/a2a19770-9ee2-4164-9ea6-a882cf0085e9"},{"url":"https://github.com/advisories/GHSA-655q-x6wx-x8mp"}],"sources":{"cve":[{"id":"CVE-2026-109933","title":"Otter Blocks \u003c 3.2.8 - Contributor+ Stored XSS via Block Style Attributes","description":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.","status":"published","published":"2026-10-23T06:00:17.572Z","modified":"2026-10-23T10:46:04.987Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:11.581788Z"}],"euvd":[{"id":"EUVD-2026-108586","description":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.","status":"published","published":"2026-10-23T06:00:17Z","modified":"2026-10-23T10:46:04Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T16:59:33.058354Z"}],"ghsa":[{"id":"GHSA-655q-x6wx-x8mp","title":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user...","description":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.","status":"published","published":"2026-10-23T06:31:26Z","modified":"2026-10-23T12:32:34Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:19.493811Z"}],"nvd":[{"id":"CVE-2026-109933","description":"The Otter Blocks  WordPress plugin before 3.2.8 does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.","status":"published","published":"2026-10-23T06:17:05.17Z","modified":"2026-10-23T14:20:57.92Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:13:02.724605Z"}]}}