If you are looking for MyBB 1.8 mods please click here to visit the new mods site. An RCE vulnerability is automatically exploited in the background and leads to a full takeover of the targeted MyBB forum. MyBB - Mods - RSS Feed Poster Site in read-only mode This site is now read-only following the release of MyBB 1.8 and the new mods site. "As soon as the administrator opens the private message, on his own trusted forum, the exploit triggers. "A sophisticated attacker could develop an exploit for the Stored XSS vulnerability and then send a private message to a targeted administrator of a MyBB board," the researchers outlined in a technical write-up. A successful exploitation occurs when a forum administrator with the "Can manage themes?" permission imports a maliciously crafted theme, or a user, for whom the theme has been set, visits a forum page. Also, can you like create separate accounts for each RSS feed I run a gaming site, so I want to import news from sites like as topics. The second vulnerability concerns an SQL injection ( CVE-2021-27890) in a forum's theme manager that could result in an authenticated RCE. MyBB has one of the most advanced plugin systems found in bulletin boards today. as a post or Private Message) and pointing a victim to a page where the content is parsed," MyBB said in an advisory. MyBB offers an advanced plugin system to make adding more features to your forum easy. "The vulnerability can be exploited with minimal user interaction by saving a maliciously crafted M圜ode message on the server (e.g. According to the researchers, the first issue - a nested auto URL persistent XSS vulnerability (CVE-2021-27889) - stems from how MyBB parses messages containing URLs during the rendering process, thus enabling any unprivileged forum user to embed stored XSS payloads into threads, posts, and even private messages.
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