[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f223mvn0m0su9i":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":7,"domain":9,"breachDate":10,"addedDate":11,"publishedAt":12,"modifiedDate":13,"contentUpdatedAt":14,"source":15,"sourceUrl":16,"sourceUrls":17,"pwnCount":18,"affectedCount":18,"affectedCountStatus":19,"affectedCountLowerBound":12,"affectedCountUnit":20,"hasEnglishDescription":4,"contentLocale":21,"availableLocales":22,"translations":24,"severity":27,"dataClasses":28,"description":31,"seoTitle":32,"seoDescription":33,"logoUrl":34,"isVerified":35,"isSensitive":35,"isSpamList":35,"isMalware":35,"company":36},"6a45a56ed6fda616e1ce5f49","cartradersuk","CarTradersUK Alleged Data Exposure","cartradersuk.com","2018-08-01T00:00:00.000Z","2026-07-01T23:40:28.928Z",null,"2026-09-17T16:27:41.515Z","2026-07-19T00:06:02.512Z","Third party breach","https:\u002F\u002Fgithub.com\u002Fignis-sec\u002FPwnd-BBS\u002Ftree\u002Fmaster\u002FCollections\u002FCit0day",[16],63289,"known","email_identifiers","en",[21,23],"tr",{"en":25,"tr":26},{"slug":7},{"slug":7},"Medium",[29,30],"Email addresses","Passwords","\u003Cp>The CarTradersUK data breach is a record from August 2018 belonging to a UK-based car listing and trading platform associated with the domain cartradersuk.com. The record covers approximately 63,289 users, and the supported data classes are email addresses and passwords. The fact that passwords are stored in plain text represents a significant risk in the context of the automotive platform. Email accounts used in car trading services are generally associated with listings, messaging, price negotiation, and pre-payment communication processes. Since official verification is limited, the record is not marked as verified; nonetheless, it is of high priority in terms of password reuse.\u003C\u002Fp>\u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2>\u003Cp>This record contains email addresses and passwords. A plaintext password allows an attacker to try the same information on other sites without additional processing. On car listing platforms, users may also use the same email address for insurance, warranty, vehicle financing, servicing, used car listings, and payment negotiations. Therefore, an email and password combination can affect not only the CarTradersUK account but also other automotive and finance accounts where the same password is used. Phone numbers, addresses, license plates, payment information, or vehicle listing content have not been included in this record because they have not been verified.\u003C\u002Fp>\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\u003Cp>The CarTradersUK record appears in public leak lists, but it is not in confirmed status as there is no detailed official incident report. The number of records is kept at approximately 63 thousand, and the supported fields are email and password. The information that the password is in plaintext is sufficient for a security action; however, it should not be stated that the incident includes all platform content, vehicle listings, or payment negotiations. Unsupported fields have not been added to the data classes to provide accurate information to the user.\u003C\u002Fp>\u003Ch2>User Groups at Risk\u003C\u002Fh2>\u003Cp>People who use the same password on CarTradersUK for email, automotive listings, insurance, payment, or social accounts are at the highest risk. Users who buy or sell vehicles with the same email address may be targeted with fake buyer, fake payment verification, fake shipping fee, or account security messages. If the password works on other accounts, the attacker may try to access not only the listing account but also email and payment communications. Since old car platform accounts are forgotten, this risk can continue even years later.\u003C\u002Fp>\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\u003Cp>Users with a CarTradersUK match should change the old password used on this account and all variations of the same password. Two-step verification should be enabled on automotive, marketplace, email, and payment accounts that use the same email address. Old vehicle listing messages, unexpected payment requests, and fake buyer links should be checked carefully. If a password has been exposed in plain text, similar passwords derived with lowercase letter or number changes should also not be considered secure.\u003C\u002Fp>\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\u003Cp>Using a separate email alias and unique password for vehicle buying and selling platforms reduces long-term risk. Users should not leave real identity, phone, and address information unnecessarily open on their listing accounts. Payment and shipping processes should be conducted through official and traceable channels. A password manager can be used to detect passwords reused on old platforms. Links from listing platforms should be checked through known domain names instead of being opened directly.\u003C\u002Fp>\u003Ch2>Record Control and User Action\u003C\u002Fh2>\u003Cp>If a CarTradersUK match appears in the LeakData check, the user should treat this as a plaintext password risk. The record is not in a verified status; however, the email and password combination is critical enough for practical action. The first step is to find and change all accounts where the old password was used. Afterwards, the email account, automotive listing accounts, and payment services should be checked for suspicious logins. A match does not mean vehicle information has leaked; however, if the password is reused, it can put other accounts at risk. Therefore, even if the old listing account is forgotten, the password history should definitely be cleared.\u003C\u002Fp>","CarTradersUK Alleged Data Exposure (63.3 Thousand Email Identifiers)","CarTradersUK Alleged Data Exposure. 63.3 Thousand email identifiers are reported. Reported data: Email addresses, Passwords. Review the scope, risks, and…","\u002Fuploads\u002Flogo\u002Fcartradersuk.svg",false,{"name":37,"sector":38,"country":39,"website":9,"websiteArchiveUrl":40,"websiteStatus":40,"websiteCheckedAt":12},"CarTradersUK","Automotive Marketplace","United Kingdom",""]