CVE-2021-20663

Cross-site scripting vulnerability in in Role authority setting screen 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 6.7.5 and earlier (Movable Type 6.7 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.

• CWE-79

• https://jvn.jp/en/jp/JVN66542874/index.htmlThird Party Advisory
• https://movabletype.org/news/2021/02/mt-760-676-released.htmlRelease Notes, Vendor Advisory
• https://jvn.jp/en/jp/JVN66542874/index.htmlThird Party Advisory
• https://movabletype.org/news/2021/02/mt-760-676-released.htmlRelease Notes, Vendor Advisory

Published

Mar 5, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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