Persistent XSS flaws patched in multiple WordPress plugins


Earlier this week, WordPress directors were entreated to update the popular All-in-One SEO plugin to address a chronic cross-site scripting vulnerability. But other extensively used plugins additionally need updating.

The plugin version for WordPress is simultaneously the platform’s greatest asset and most considerable vulnerability. Administrators can thankfully seek the rich environment of plugins and find all way of superior capabilities and functionality to beautify their WordPress sites. Once downloaded, these plugins are clean to put in. However, the plugins are frequently poorly coded or no longer regularly updated, exposing WordPress websites to capability net attacks. WordPress itself is a pretty solid platform. However, WordPress sites are frequently compromised due to the fact the attackers uncover a vulnerability in one of the plugins.

[ Safeguard your browsers; InfoWorld’s experts tell you how in the “Web Browser Security Deep Dive” PDF guide. It seems All-in-One wasn’t the most effective susceptible plugin determined via Summer of Pwnage, a Dutch network undertaking running on uncovering vulnerabilities in popular packages. The project posted advisories on a dozen other XSS vulnerabilities in extensively used WordPress plugins this week.

The WP Fastest Cache WordPress Web Posting Pro plugin creates static HTML documents from dynamic WordPress pages. A nearby record inclusion vulnerability in this plugin may be exploited to run arbitrary PHP code. Attackers ought to vicinity a random PHP file on the target device so that you can control the vulnerability. The issue is in /admin/partials/menu/alternatives.Php and is the absence of input validation on the identification POST parameter.

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WP Live Chat Support turns on the chat feature at the WordPress site. The continual XSS flaw in WP Live Chat Support is much like the one discovered in All-in-One SEO in that attackers can inject malicious JavaScript code into the application, which executes within the victim’s browser with the privileges of the logged-in WordPress user. The attacker can take advantage of the flaw to steal a sufferer’s session tokens and login credentials, execute code, and log keystrokes.


The plugin uses the Referer header to offer the cutting-edge web page on which the chat is initiated to again-cease customers, but the URL retrieved from the statistics isn’t nicely output encoded according to output context. Stored XSS flaws are generally more severe because they do not need to be added separately to the users. The victim — doubtlessly the logged-in Administrator — most effectively have to view the wp live chat-menu page to execute the malicious code. Administrators ought to replace Version 6.2.02.

Another saved XSS vulnerability became discovered within the WordPress Activity Log plugin, which permits administrators to reveal and track website hobbies. An unauthenticated attacker might be capable of injecting malicious JavaScript code into the software, so one can then execute inside the browser of any logged-in person who perspectives the Activity Log. The Activity Log plugin fails to sufficiently look at entering provided to the X-Forward-for HTTP header and perform output encoding while an incorrect password is entered. The malicious request gets saved in the Activity Log at the wp-admin web page and executes each time someone perspectives the page.

Attackers might be able to steal victims’ consultation tokens and login credentials, log keystrokes, perform arbitrary actions inside the person’s context, and supply malware. Administrators need to update to Version 2.3.2.

The final plugins in this list had a go-website online scripting vulnerability that could allow an attacker to ramify movements, such as stealing Administrator consultation tokens and appearing arbitrary movements on the website with Administrator privileges. The flaws may be exploited by tricking WordPress directors logged in to open a malicious web page.

Jeanna Davila
Writer. Gamer. Pop culture fanatic. Troublemaker. Beer buff. Internet aficionado. Reader. Explorer. Set new standards for getting my feet wet with country music for farmers. Spent college summers lecturing about saliva in Libya. Won several awards for buying and selling barbie dolls in Prescott, AZ. Spent a year implementing Yugos in West Palm Beach, FL. Spent several months creating marketing channels for cigarettes in Deltona, FL. Spent 2001-2004 developing carnival rides in New York, NY.