CVE-2020-5528

moderate-risk
Published 2020-02-06

Cross-site scripting vulnerability in Movable Type series (Movable Type 7 r.4603 and earlier (Movable Type 7), Movable Type 6.5.2 and earlier (Movable Type 6.5), Movable Type Advanced 7 r.4603 and earlier (Movable Type Advanced 7), Movable Type Advanced 6.5.2 and earlier (Movable Type Advanced 6.5), Movable Type Premium 1.26 and earlier (Movable Type Premium), and Movable Type Premium Advanced 1.26 and earlier (Movable Type Premium Advanced)) allows remote attackers to inject arbitrary web script or HTML in the block editor and the rich text editor via a specially crafted URL.

Do I need to act?

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0.43% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Sixapart

References (4)

Third Party Advisory http://jvn.jp/en/jp/JVN94435544/index.html
Third Party Advisory https://movabletype.org/news/2020/02/movable_type_r4605_v720_v653_and_v6311_rele...
Third Party Advisory http://jvn.jp/en/jp/JVN94435544/index.html
Third Party Advisory https://movabletype.org/news/2020/02/movable_type_r4605_v720_v653_and_v6311_rele...
34
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 2/34 · Minimal
Exposure 9/34 · Low