What is CVE-2020-5669?

CVE-2020-5669 is a medium-severity vulnerability in Sixapart Movable Type, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-26.

How severe is CVE-2020-5669?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sixapart Movable Type

CVE-2020-5669

Cross-site scripting vulnerability in Movable Type Movable Type Premium 1.37 and earlier and Movable Type Premium Advanced 1.37 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Sixapart Movable_type
Six Apart Ltd. Movable Type — versions Movable Type Premium 1.37 and earlier and Movable Type Premium Advanced 1.37 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5669?: CVE-2020-5669 is a medium-severity vulnerability in Sixapart Movable Type, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-26.
How severe is CVE-2020-5669?: Medium severity. CVSS v3 base score is 5.4 out of 10.