{"id":"CVE-2026-120553","kind":"vulnerability","aliases":["CVE-2026-120553"],"related":[],"title":"Customer Reviews for WooCommerce: stored script injection via slides_to_show parameter","description":"The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'slides_to_show' parameter in all versions up to, and including, 5.126.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","summary":"The Customer Reviews for WooCommerce WordPress plugin does not sanitize the slides_to_show parameter, so input is stored and output unescaped. An attacker with contributor-level access can inject scripts that run in the browser of anyone who opens the affected page.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","self-hosted","woocommerce","wordpress"],"not_affected_if":["no-contributor-accounts","plugin-not-installed"],"how_to_check":"- Check the installed version of the Customer Reviews for WooCommerce plugin in the WordPress admin under Plugins; affected versions are up to and including `5.126.0`.","fix":null,"status":"open","published_at":"2026-11-05T05:18:20+00:00","first_seen_at":"2026-11-05T05:31:54+00:00","triaged_at":"2026-11-05T05:33:42+00:00","updated_at":"2026-11-05T05:33:42+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-05T05:33:42Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Customer Reviews for WooCommerce: stored script injection via slides_to_show parameter","impact":"medium","summary":"The Customer Reviews for WooCommerce WordPress plugin does not sanitize the slides_to_show parameter, so input is stored and output unescaped. An attacker with contributor-level access can inject scripts that run in the browser of anyone who opens the affected page.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","woocommerce","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"Scripts run in visitors' and admins' browsers, enabling session theft","analyst_note":"Confirm the fixed version of the Customer Reviews for WooCommerce plugin from the WordPress.org changelog or the NVD entry.","how_to_check":"- Check the installed version of the Customer Reviews for WooCommerce plugin in the WordPress admin under Plugins; affected versions are up to and including `5.126.0`.\n- unknown for other checks; the sources do not say.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed","no-contributor-accounts"],"who_is_affected":"Sites running the Customer Reviews for WooCommerce plugin at version `5.126.0` or earlier where contributor-level or higher WordPress accounts exist. Sites without the plugin, or without untrusted contributor accounts, are less exposed. Sources do not say whether a fixed version exists.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00072,"input_tokens":4282,"output_tokens":584,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-120553':15A,18A '-2026':14A,17A '5.126.0':98C 'access':53B,118C,134C 'affect':67B 'anyon':63B 'arbitrari':123C 'attack':48B,113C 'authent':112C 'browser':61B 'contributor':51B,116C 'contributor-level':50B,115C 'cross':82C 'cross-sit':81C 'custom':1A,26B,70C 'cve':13A,16A 'due':99C 'escap':106C 'execut':130C 'host':22B 'includ':97C 'inject':7A,55B,122C,136C 'input':41B,102C 'insuffici':101C 'level':52B,117C 'make':108C 'open':65B 'output':45B,105C 'packag':19B 'page':68B,127C,137C 'paramet':12A,39B,90C 'plugin':31B,74C 'possibl':110C 'review':2A,27B,71C 'run':58B 'sanit':34B,103C 'script':6A,56B,84C,125C 'self':21B 'self-host':20B 'show':11A,38B,89C 'site':83C 'slide':9A,36B,87C 'store':5A,43B,80C 'unescap':46B 'user':133C 'version':93C 'via':8A,85C 'vulner':78C 'web':124C 'whenev':131C 'woocommerc':4A,23B,29B,73C 'wordpress':24B,30B,76C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Customer Reviews for WooCommerce plugin at version `5.126.0` or earlier where contributor-level or higher WordPress accounts exist. Sites without the plugin, or without untrusted contributor accounts, are less exposed. Sources do not say whether a fixed version exists.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","selfhosted","woocommerce","wordpress"],"campaign_type":null,"first_public_at":"2026-11-05T05:18:20+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cvss_by":"security@wordfence.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-120553","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120553","severity":null,"published_at":"2026-11-05T05:18:20+00:00","modified_at":"2026-11-05T05:18:20+00:00","first_seen_at":"2026-11-05T05:31:54+00:00","fetched_at":"2026-11-05T05:31:54+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}