logo_jtlshop3JTL-Software has informed all subscribers today via newsletter that a security vulnerability has been found during an audit of the JTL-Shop 3 code which allows attackers to manipulate the output source code via prepared external URLs or forms. To close this vulnerability it is strongly recommended to update to JTL-Shop 3.19.4. The new store version is also now available for download in the customer center.

JTL-Software also recommends all store operators who use a version lower than JTL-Shop 3.19 to update to the new version as soon as possible. There is a code snippet as a transitional solution for older stores, but this should really only be used as a transitional solution. You can find the download at https://developer.jtl-software.de/attachments/2439/jtl-shop3_security.patch.

If you do not manage and administer your store yourself, you should always contact your external service provider and ask whether they have installed this update.

Do you have questions or need an individual offer? Do not hesitate to contact us.


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