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01 Record

CVE-2023-45746

Cross-site scripting vulnerability in Movable Type series allows a remote authenticated attacker to inject an arbitrary script. Affected products/versions are as follows: Movable Type 7 r.5405 and

MediumPUBLISHEDCNA: jpcert
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

02 Description

Cross-site scripting vulnerability in Movable Type series allows a remote authenticated attacker to inject an arbitrary script. Affected products/versions are as follows: Movable Type 7 r.5405 and

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.44% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 38.0% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-10-30 04:57Z3 YR AGO
Last updated
2024-10-29 18:23Z1 YR AGO
Reserved
2023-10-12
Assigning CNA
jpcert
Record state
PUBLISHED
Severity
Medium (CVSS 5.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
40c87f7234af8899e96d712460452acc40e0f02c838b5fa6efde37cc37ffd756

05 Affected products

VendorProductVersionsPlatforms
Six Apart Ltd.Movable Type 7 (Movable Type 7 Series)r.5405 and earlier—
Six Apart Ltd.Movable Type Advanced 7 (Movable Type 7 Series)r.5405 and earlier—
Six Apart Ltd.Movable Type Premium1.58 and earlier—
Six Apart Ltd.Movable Type Premium Advanced1.58 and earlier—
Six Apart Ltd.Movable Type Cloud Edition (Version 7)r.5405 and earlier—
Six Apart Ltd.Movable Type Premium Cloud Edition1.58 and earlier—

06 References