XSS in Sixapart Movable Type
CVE-2022-45122
Cross-site scripting vulnerability in Movable Type Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (42.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Sixapart Movable Type
- Six Apart Ltd. Movable Type — versions Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier
Weakness classification (CWE)
References
- movabletype.org/news/2022/11/mt-796-688-released.html (Release Notes, Vendor Advisory)
- jvn.jp/en/jp/JVN37014768/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-45122?
- CVE-2022-45122 is a medium-severity vulnerability in Sixapart Movable Type, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-12-07.
- How severe is CVE-2022-45122?
- Medium severity. CVSS v3 base score is 6.1 out of 10.