CVE-2015-6748: Cross-Site Scripting Vulnerability in org.jsoup:jsoup
Summary
CVE-2015-6748: Improper Neutralization of Input During Web Page Generation in Jsoup. Affects org.jsoup:jsoup versions >= 1.6.0, < 1.8.3. Fixed in 1.8.3. How to fix ↓
Also tracked for
- jsoup · Debian:11
The same CVE-2015-6748 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
org.jsoup:jsoup is a Java library used for parsing HTML documents. It provides a convenient API for extracting and manipulating data from HTML files. The library is widely used in web scraping, web crawling, and other HTML parsing tasks. However, versions of jsoup before 1.8.3 are vulnerable to a cross-site scripting (XSS) attack.
Vulnerability Detail
The vulnerability in jsoup arises from improper neutralization of input during web page generation. This allows an attacker to inject malicious scripts into web pages generated by jsoup, which can then be executed by unsuspecting users. The impact of this vulnerability can range from stealing sensitive information, such as login credentials or session cookies, to performing actions on behalf of the user without their consent.
How To Fix
Minimum fixed version
1.8.3
This is the first release that contains the fix.
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Workaround
If upgrading to the latest version of jsoup is not feasible, a temporary workaround is to manually sanitize user input before passing it to jsoup for HTML generation. This can be done by using a library or framework that provides HTML sanitization functionality, such as OWASP Java HTML Sanitizer.
Conclusion
The cross-site scripting vulnerability in org.jsoup:jsoup can have serious security implications for applications that use this library. It is crucial to upgrade to the latest version of jsoup or apply proper input sanitization to mitigate the risk. For additional support and guidance, reach out to DevNack.com.
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FAQ
The vulnerability allows an attacker to inject malicious scripts into web pages generated by jsoup, which can lead to various attacks, including stealing sensitive information or performing unauthorized actions.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the pom.xml file.
There are known exploits for XSS vulnerabilities in general, but no specific exploits targeting this vulnerability in jsoup have been reported.
Yes, the CVSS score for this vulnerability is 6.1, indicating a moderate severity.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide assistance and guidance in fixing the vulnerability.
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