CVE-2017-12980 : What You Need to Know
Discover the impact of CVE-2017-12980 affecting DokuWiki up to version 2017-02-19c. Learn about the stored Cross-Site Scripting (XSS) vulnerability, its exploitation, and mitigation steps.
DokuWiki through version 2017-02-19c is susceptible to stored Cross-Site Scripting (XSS) attacks when processing corrupted RSS or Atom feeds. This vulnerability is located in the "/inc/parser/xhtml.php" file, allowing attackers to execute malicious JavaScript code.
Understanding CVE-2017-12980
This CVE entry highlights a stored XSS vulnerability in DokuWiki that can be exploited through manipulated RSS or Atom feeds.
What is CVE-2017-12980?
The vulnerability in DokuWiki up to version 2017-02-19c enables stored XSS attacks by processing malicious RSS or Atom feeds. Attackers can execute JavaScript code by tampering with wiki content that relies on attacker-controlled data.
The Impact of CVE-2017-12980
The vulnerability allows attackers to inject and execute malicious JavaScript code within DokuWiki instances, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2017-12980
Dive into the technical aspects of the vulnerability.
Vulnerability Description
The flaw in DokuWiki permits stored XSS attacks when handling corrupted RSS or Atom feeds, specifically in the "/inc/parser/xhtml.php" file.
Affected Systems and Versions
- Product: DokuWiki
- Vendor: N/A
- Versions affected: Up to 2017-02-19c
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating RSS or Atom feeds to inject malicious JavaScript code, typically disguised within the author field.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2017-12980.
Immediate Steps to Take
- Update DokuWiki to a patched version that addresses the XSS vulnerability.
- Avoid relying on RSS or Atom feeds from untrusted sources.
Long-Term Security Practices
- Regularly monitor and update DokuWiki to the latest secure versions.
- Educate users on identifying and avoiding suspicious content that could trigger XSS attacks.
Patching and Updates
Ensure timely installation of security patches and updates for DokuWiki to prevent exploitation of known vulnerabilities.