--- title: "TYPO3-EXT-SA-2016-017: Information Disclosure in \"MMC directmail subscription\" (mmc_directmail_subscription)" url: "https://news.typo3.com/security/advisory/typo3-ext-sa-2016-017" description: "It has been discovered that the extension \"MMC directmail subscription\" (mmc_directmail_subscription) is susceptible to Information Disclosure." image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg" date: 2026-06-11 modified: 2026-06-11 categories: - TYPO3 Extensions --- # TYPO3-EXT-SA-2016-017: Information Disclosure in "MMC directmail subscription" (mmc_directmail_subscription) - Security / [TYPO3 Extensions](https://news.typo3.com/article/category/security/typo3-extensions) TYPO3-EXT-SA-2016-017: Information Disclosure in "MMC directmail subscription" (mmc\_directmail\_subscription) ============================================================================================================== 31 May 2016 ![A laptop screen displaying a list of security advisories](https://news.typo3.com/typo3temp/assets/_processed_/d/c/csm_security_blog_default_77f8e86036.webp) It has been discovered that the extension "MMC directmail subscription" (mmc\_directmail\_subscription) is susceptible to Information Disclosure. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/bbf959d8e683550c90ae922aff9145d8.jpeg)[Marcus Krause](https://news.typo3.com/article/author/marcus-krause) **Release Date:** May 31, 2016 **Component Type:** Third party extension. This extension is not a part of the TYPO3 default installation. **Affected Versions:** 0.9.6 and below **Vulnerability Type:** Information Disclosure **Severity:** Medium **Suggested CVSS v2.0:** AV:N/AC:M/Au:N/C:P/I:N/A:N/E:F/RL:OF/RC:C **Problem Description:** The extension discloses personal data of newsletter subscribers. Such data might be cached and indexed by search engines. **Solution:** An updated version 0.9.7 is available from the TYPO3 Extension Manager and at . Users of the extension are advised to update the extension as soon as possible. **Credits:** Credits go to Loek Hilgersom who discovered the vulnerability. **General advice:** Follow the recommendations that are given in the [TYPO3 Security Guide](http://docs.typo3.org/typo3cms/SecurityGuide/ "Initiates file download"). Please subscribe to the [typo3-announce mailing list](http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce "Opens external link in new window") to receive future Security Bulletins via E-mail. ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/b5c88386e5b1d8fca79d0652427922d2.jpeg) About the Author [Marcus Krause](https://news.typo3.com/article/author/marcus-krause) [More posts by this author](https://news.typo3.com/article/author/marcus-krause)