CVE-2010-4509

CVE-2010-4509 is a critical-severity vulnerability in Sixapart Movabletype with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple unspecified vulnerabilities in Movable Type 4.x before 4.35 and 5.x before 5.04 have unknown impact and attack vectors related to the (1) mt:AssetProperty and (2) mt:EntryFlag tags.

Frequently asked questions

What is CVE-2010-4509?
Multiple unspecified vulnerabilities in Movable Type 4.x before 4.35 and 5.x before 5.04 have unknown impact and attack vectors related to the (1) mt:AssetProperty and (2) mt:EntryFlag tags.
How severe is CVE-2010-4509?
CVE-2010-4509 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2010-4509 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4509?
CVE-2010-4509 primarily affects Sixapart Movabletype. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4509?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-4509 published?
CVE-2010-4509 was published on 2010-12-09 and last updated on 2026-06-16.

References

Affected products (17)

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