UpHeron
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Servers and applications

CVE-2021-20814

Cross-site scripting vulnerability in Setting screen of ContentType Information Widget Plugin of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), and Movable Type Premium 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

Severity
Medium 6.1
Published
26 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.8.0
Sources
NVD

Affected software

SoftwareAffected versions
Movable TypeServers and applications · cpe:a:sixapart:movable_type
  • Every version up to 1.44
  • From 7.0 before 7.8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20814
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20814