CVE-2021-20665: XSS
Cross-site scripting vulnerability in in Add asset screen of Contents field of Movable Type 7 r.4705 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4705 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-20665?
CVE-2021-20665 has a medium severity rating due to its potential to allow cross-site scripting attacks in affected versions of Movable Type.
How do I fix CVE-2021-20665?
To mitigate CVE-2021-20665, update your Movable Type to version 7.4706 or later or Movable Type Premium to version 1.40 or later.
Which versions of Movable Type are affected by CVE-2021-20665?
CVE-2021-20665 affects Movable Type versions up to and including 7.4705 and Movable Type Premium versions up to and including 1.39.
Can I continue using my current Movable Type version with CVE-2021-20665?
Using an affected version with CVE-2021-20665 poses a risk, so it is strongly recommended to upgrade to a fixed version.
What type of vulnerability is CVE-2021-20665?
CVE-2021-20665 is classified as a cross-site scripting (XSS) vulnerability that can allow attackers to inject malicious scripts.