CVE-2010-3921

Cross-site scripting (XSS) vulnerability in Movable Type 4.x before 4.35 and 5.x before 5.04 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Published: 2010-12-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-3921 is rated Moderate Risk (40.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.25%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-3921

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.47% 1.25% +0.78%
2 2025-03-17 0.25% 0.47% +0.22%
3 2023-03-07 — 0.25% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3921

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2010-3921

OS Trackers for CVE-2010-3921

vendor priority summary link
ubuntu low CVE-2010-3921 low priority: Ubuntu including 1 source packages (movabletype-opensource), 12 status rows across 12 suites (dapper, hardy, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): not-affected 6, ignored 3, DNE 2, released 1. https://ubuntu.com/security/CVE-2010-3921

Affected software / configurations for CVE-2010-3921

Vendor Product Version Raw CPE
sixapart movabletype 4.0 cpe:2.3:a:sixapart:movabletype:4.0:*:*:*:*:*:*:*
sixapart movabletype 4.1 cpe:2.3:a:sixapart:movabletype:4.1:*:*:*:*:*:*:*
sixapart movabletype 4.2 cpe:2.3:a:sixapart:movabletype:4.2:*:*:*:*:*:*:*
sixapart movabletype 4.3 cpe:2.3:a:sixapart:movabletype:4.3:*:*:*:*:*:*:*
sixapart movabletype 4.23 cpe:2.3:a:sixapart:movabletype:4.23:*:*:*:*:*:*:*
sixapart movabletype 4.25 cpe:2.3:a:sixapart:movabletype:4.25:*:*:*:*:*:*:*
sixapart movabletype 4.26 cpe:2.3:a:sixapart:movabletype:4.26:*:*:*:*:*:*:*
sixapart movabletype 4.31 cpe:2.3:a:sixapart:movabletype:4.31:*:*:*:*:*:*:*
sixapart movabletype 4.32 cpe:2.3:a:sixapart:movabletype:4.32:*:*:*:*:*:*:*
sixapart movabletype 4.33 cpe:2.3:a:sixapart:movabletype:4.33:*:*:*:*:*:*:*
sixapart movabletype 4.34 cpe:2.3:a:sixapart:movabletype:4.34:*:*:*:*:*:*:*
sixapart movabletype 4.261 cpe:2.3:a:sixapart:movabletype:4.261:*:*:*:*:*:*:*
sixapart movabletype 5.0 cpe:2.3:a:sixapart:movabletype:5.0:rc2:*:*:*:*:*:*
sixapart movabletype 5.01 cpe:2.3:a:sixapart:movabletype:5.01:*:*:*:*:*:*:*
sixapart movabletype 5.02 cpe:2.3:a:sixapart:movabletype:5.02:*:*:*:*:*:*:*
sixapart movabletype 5.03 cpe:2.3:a:sixapart:movabletype:5.03:*:*:*:*:*:*:*
sixapart movabletype 5.031 cpe:2.3:a:sixapart:movabletype:5.031:*:*:*:*:*:*:*

References for CVE-2010-3921

cvelogic Threat Intelligence