CVE-2017-17454 - Cross-Site Scripting (XSS) vulnerability in Mahara

Publication

2018-02-20

Last modification

2018-03-16

Summary

Mahara 16.10 before 16.10.7 and 17.04 before 17.04.5 and 17.10 before 17.10.2 have a Cross Site Scripting (XSS) vulnerability when a user enters invalid UTF-8 characters. These are now going to be discarded in Mahara along with NULL characters and invalid Unicode characters. Mahara will also avoid direct $_GET and $_POST usage where possible, and instead use param_exists() and the correct param_*() function to fetch the expected value.

Classification

CWE-79 - Cross-Site Scripting (XSS)

Risk level (CVSS AV:N/AC:M/Au:S/C:N/I:P/A:N)

Low

3.5

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

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