Cross-Site Scripting (XSS) Vulnerability in CommentLuv WordPress Plugin

142.6k
4
11
21
4
More
4
12

Advisory ID:	HTB23138
Product:	CommentLuv WordPress plugin
Vendor:	Andy Bailey
Vulnerable Versions:	2.92.3 and probably prior
Tested Version:	2.92.3
Advisory Publication:	January 16, 2013 [without technical details]
Vendor Notification:	January 16, 2013
Vendor Fix:	January 17, 2013
Public Disclosure:	February 6, 2013
Latest Update:	January 25, 2013
Vulnerability Type:	Cross-Site Scripting [CWE-79]
CVE Reference:	CVE-2013-1409
Risk Level:	Low

CVSSv2 Base Score:	2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:	Fixed by Vendor
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge Security Research Lab discovered vulnerability in CommentLuv WordPress plugin, which can be exploited to perform Cross-Site Scripting (XSS) attacks. 1) Cross-Site Scripting (XSS) in CommentLuv wordpress plugin: CVE-2013-1409 The vulnerability exists due to insufficient filtration of user-supplied data in "_ajax_nonce" HTTP POST parameter in the "/wp-admin/admin-ajax.php" script. A remote attacker can trick a logged-in administrator to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website. PoC (Proof-of-Concept) below uses the "alert()" JavaScript function to display administrator's cookies: <form action="http://[host]/wp-admin/admin-ajax.php" method="post" name="askform"> <input type="hidden" name="action" value="cl_ajax" /> <input type="hidden" name="do" value="fetch" /> <input type="hidden" name="url" value="1" /> <input type="hidden" name="_ajax_nonce" value='<script>alert(document.cookie);</script>'/> <input type="submit" id="btn"> </form>
How to Detect Cross-Site Scripting Vulnerabilities Website Security Test GDPR & PCI DSS Test Website CMS Security Test CSP & HTTP Headers Check WordPress & Drupal Scanning Try For Free Solution:
Upgrade to CommentLuv 2.92.4 More Information: http://wordpress.org/extend/plugins/commentluv/changelog/

References:
[1] High-Tech Bridge Advisory HTB23138 - https://www.immuniweb.com/advisory/HTB23138 - Cross-Site Scripting (XSS) Vulnerability in CommentLuv WordPress Plugin. [2] CommentLuv - http://www.commentluv.com/ - CommentLuv is a popular WordPress plugin that will magnetize your readers, socialize your comments and viralize your posts. [3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures. [4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

Previous Security Advisories with CWE-79:

HTB23137: Cross-Site Scripting (XSS) vulnerability in gpEasy

HTB23134: Multiple Vulnerabilities in jforum

142.6k
4
11
21
4
More
4
12

Have additional information to submit?
Please feel free to send us any additional information related to this Advisory, such as vulnerable versions, additional exploitation details and conditions, patches and other relevant details.