CVE-2021-20813

EPSS 0.9%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.9%KEV nãoPoC —Patch —

Lifecycle

26 Aug 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Cross-site scripting vulnerability in Edit screen of Content Data of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) and Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series)) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

Affected products

Six Apart Ltd. · Movable Type

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References

https://jvn.jp/en/jp/JVN97545738/index.html https://movabletype.org/news/2021/08/mt-780-681-released.html