{"id":"CVE-2026-108041","kind":"vulnerability","aliases":["CVE-2026-108041"],"related":[],"title":"SEOPress WordPress plugin: stored script injection reaches every site visitor","description":"The SEOPress  WordPress plugin before 10.4 does not sanitise and escape some of its analytics tracking settings before outputting them in an inline script printed on every front-end page, allowing users granted a SEOPress  WordPress plugin before 10.4 capability that an administrator can delegate to lower-privileged roles to perform Stored Cross-Site Scripting attacks that execute in the browser of any site visitor, including a logged-in administrator viewing the front end.","summary":"The SEOPress WordPress plugin before 10.4 fails to clean analytics tracking settings before printing them into a script on every front-end page. A user who holds a delegated SEOPress capability can store script that runs in the browser of any visitor, including a logged-in administrator.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","self-hosted","seopress","wordpress"],"not_affected_if":["no-delegated-seopress-roles","seopress-absent","version-10.4-or-later"],"how_to_check":"- Check the installed SEOPress version in the WordPress admin plugins list or with `wp plugin get wp-seopress --field=version` if WP-CLI is available.\n- Review the analytics tracking settings in SEOPress for unexpected script content.","fix":"- SEOPress: `10.4` or later, per the advisory's stated fixed version.","status":"open","published_at":"2026-11-04T06:16:57+00:00","first_seen_at":"2026-11-04T06:25:17+00:00","triaged_at":"2026-11-04T06:26:32+00:00","updated_at":"2026-11-04T06:26:32+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-11-04T06:26:32Z","model":"claude-haiku-5-5","output":{"fix":"- SEOPress: `10.4` or later, per the advisory's stated fixed version.","reach":"internet","title":"SEOPress WordPress plugin: stored script injection reaches every site visitor","impact":"medium","summary":"The SEOPress WordPress plugin before 10.4 fails to clean analytics tracking settings before printing them into a script on every front-end page. A user who holds a delegated SEOPress capability can store script that runs in the browser of any visitor, including a logged-in administrator.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","seopress","self-hosted"],"confidence":0.8,"fix_status":"available","needs_auth":"yes","worst_case":"Attacker script runs in visitors' browsers, including administrators' sessions","analyst_note":"","how_to_check":"- Check the installed SEOPress version in the WordPress admin plugins list or with `wp plugin get wp-seopress --field=version` if WP-CLI is available.\n- Review the analytics tracking settings in SEOPress for unexpected script content.","plain_action":"","needs_analyst":false,"not_affected_if":["seopress-absent","version-10.4-or-later","no-delegated-seopress-roles"],"who_is_affected":"Sites running the SEOPress WordPress plugin before 10.4 that delegate SEOPress capabilities to lower-privileged roles are exposed. Sites without SEOPress, or with it already at 10.4 or later, can skip this. The attacker needs an account with a delegated SEOPress capability, and the script then runs on front-end pages.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"medium"},"cost_usd":0.00071,"input_tokens":4174,"output_tokens":586,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-108041':13A,16A '-2026':12A,15A '10.4':28B,77C,111C 'administr':71B,115C,145C 'allow':103C 'analyt':32B,86C 'attack':130C 'browser':62B,135C 'capabl':54B,112C 'clean':31B 'cross':127C 'cross-sit':126C 'cve':11A,14A 'deleg':52B,117C 'end':45B,101C,149C 'escap':82C 'everi':8A,42B,98C 'execut':132C 'fail':29B 'front':44B,100C,148C 'front-end':43B,99C 'grant':105C 'hold':50B 'host':20B 'includ':66B,140C 'inject':6A 'inlin':94C 'log':69B,143C 'logged-in':68B,142C 'lower':120C 'lower-privileg':119C 'output':90C 'packag':17B 'page':46B,102C 'perform':124C 'plugin':3A,26B,75C,109C 'print':36B,96C 'privileg':121C 'reach':7A 'role':122C 'run':59B 'sanitis':80C 'script':5A,40B,57B,95C,129C 'self':19B 'self-host':18B 'seopress':1A,21B,24B,53B,73C,107C 'set':34B,88C 'site':9A,128C,138C 'store':4A,56B,125C 'track':33B,87C 'user':48B,104C 'view':146C 'visitor':10A,65B,139C 'wordpress':2A,22B,25B,74C,108C","nicknames":[],"mitigations":[],"who_affected":"Sites running the SEOPress WordPress plugin before 10.4 that delegate SEOPress capabilities to lower-privileged roles are exposed. Sites without SEOPress, or with it already at 10.4 or later, can skip this. The attacker needs an account with a delegated SEOPress capability, and the script then runs on front-end pages.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","selfhosted","seopress","wordpress"],"campaign_type":null,"first_public_at":"2026-11-04T06:16:57+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-108041","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108041","severity":null,"published_at":"2026-11-04T06:16:57+00:00","modified_at":"2026-11-04T06:16:57+00:00","first_seen_at":"2026-11-04T06:25:17+00:00","fetched_at":"2026-11-04T06:25:17+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"}