Cross-Site Scripting (XSS) in BackWPup WordPress Plugin

This vulnerability was discovered by our security researchers before 2019.

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Advisory ID:	HTB23161
Product:	BackWPup WordPress Plugin
Vendor:	Inpsyde GmbH
Vulnerable Versions:	3.0.12 and probably prior
Tested Version:	3.0.12
Advisory Publication:	June 19, 2013 [without technical details]
Vendor Notification:	June 19, 2013
Vendor Fix:	August 12, 2013
Public Disclosure:	August 21, 2013
Latest Update:	August 13, 2013
Vulnerability Type:	Cross-Site Scripting [CWE-79]
CVE Reference:	CVE-2013-4626
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 XSS vulnerability in BackWPup WordPress Plugin, which can be exploited to perform cross-site scripting attacks against administrator of vulnerable application. 1) Cross-Site Scripting (XSS) in BackWPup WordPress Plugin: CVE-2013-4626 The vulnerability exists due to insufficient filtration of user-supplied data in "tab" HTTP GET parameter passed to "/wp-admin/admin.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. The exploitation example below uses "alert()" JavaScript function to display administrator's cookies: http://[host]/wp-admin/admin.php?page=backwpupeditjob&tab=%22%3E%3Cscript%3E alert%28document.cookie%29;%3C/script%3E
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Upgrade to BackWPup 3.0.13 More Information: http://wordpress.org/plugins/backwpup/changelog/

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References:
[1] High-Tech Bridge Advisory HTB23161 - https://www.immuniweb.com/advisory/HTB23161 - Cross-Site Scripting (XSS) in BackWPup WordPress Plugin. [2] BackWPup WordPress Plugin - http://wordpress.org/plugins/backwpup/ - BackWPup is the All-in-One backup solution for WordPress. [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:

HTB23160: XSS Vulnerabilities in OpenCms

HTB23159: Multiple XSS Vulnerabilities in Jahia xCM

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