The LinkedIn Resume plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.00. This is due to missing or incorrect nonce validation on the linkedinresumeprintAdminPage() function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

greykite v1.0.0 was discovered to contain an arbitrary file upload vulnerability in the loadobj function at /templates/pickleutils.py. This vulnerability allows attackers to execute arbitrary code via uploading a crafted file.

LinkedIn Mobile Application for Android version 4.1.1087.2 fails to update link preview metadata (image, title, description) when a user replaces the original URL in a post or comment before publishing. As a result, the stale preview remains visible while the clickable link points to a different URL, which can be malicious. This UI misrepresentation enables attackers to deceive users by displaying trusted previews for harmful links, facilitating phishing attacks and user confusion.

A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.

LinkedIn Oncall through 1.4.0 allows reflected XSS via /query because of mishandling of the "No results found for" message in the search bar.

LinkedIn Browser Toolbar 3.0.3.1100 and earlier does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

Buffer overflow in the IEToolbar.IEContextMenu.1 ActiveX control in LinkedInIEToolbar.dll in the LinkedIn Toolbar 3.0.2.1098 allows remote attackers to execute arbitrary code via a long second argument (varBrowser argument) to the search method. NOTE: some of these details are obtained from third party information.