What’s Vulnerable › Vulnerabilities

CVE-2020-5574

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-14 · updated 2026-06-17
• Weakness: CWE-74

Description

HTML attribute value injection vulnerability in Movable Type series (Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7), Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Advanced 7), Movable Type for AWS 7 r.4606 (7.2.1) and earlier (Movable Type for AWS 7), Movable Type 6.5.3 and earlier (Movable Type 6.5), Movable Type Advanced 6.5.3 and earlier (Movable Type Advanced 6.5), Movable Type 6.3.11 and earlier (Movable Type 6.3), Movable Type Advanced 6.3.11 and earlier (Movable Type 6.3), Movable Type Premium 1.29 and earlier, and Movable Type Premium Advanced 1.29 and earlier) allows remote attackers to inject arbitrary HTML attribute value via unspecified vectors.

Affected products

• Six Apart Ltd. Movable Type: through 1.29; from 6.3 through 6.3.11; from 6.5.0 through 6.5.3; from 7.0 through 7.2.1

References

• https://jvn.jp/en/jp/JVN28806943/index.html
• https://movabletype.org/news/2020/05/mt-730-660-6312-released.html
• https://jvn.jp/en/jp/JVN28806943/index.html
• https://movabletype.org/news/2020/05/mt-730-660-6312-released.html

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