CVE-2021-20813

CVE-2021-20813: vulnerability in Six Apart Ltd. Movable Type

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.9%
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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CVE-2021-20837—CVE-2021-20837EPSS 88.1%CVE-2020-5577—CVE-2020-5577EPSS 1.7%CVE-2020-5574—CVE-2020-5574EPSS 1.2%CVE-2022-43660HIGHCVE-2022-43660EPSS 1.0%CVE-2020-5575—CVE-2020-5575EPSS 0.9%CVE-2021-20814—CVE-2021-20814EPSS 0.9%