UpHeron
All vulnerabilities

Servers and applications

CVE-2021-20809

Cross-site scripting vulnerability in Create screens of Entry, Page, and Content Type of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows…

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 6.0 up to 6.8.0
  • From 7.0 before 7.8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20809
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20809