How severe is CVE-2008-5808?

CVE-2008-5808 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-5808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5808?

CVE-2008-5808 primarily affects Six Apart Movable Type. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5808?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-5808 published?

CVE-2008-5808 was published on 2009-01-02 and last updated on 2026-06-16.

CVE-2008-5808

CVE-2008-5808 is a medium-severity vulnerability in Six Apart Movable Type with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Six Apart Movable Type
Published: 2009-01-02
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Six Apart Movable Type Enterprise (MTE) 1.x before 1.56; Movable Type (MT) 3.x before 3.38; and Movable Type, Movable Type Open Source (MTOS), and Movable Type Enterprise 4.x before 4.23 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly related to "application management."

Frequently asked questions

What is CVE-2008-5808?: Cross-site scripting (XSS) vulnerability in Six Apart Movable Type Enterprise (MTE) 1.x before 1.56; Movable Type (MT) 3.x before 3.38; and Movable Type, Movable Type Open Source (MTOS), and Movable Type Enterprise 4.x before 4.23 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly related to "application management."
How severe is CVE-2008-5808?: CVE-2008-5808 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-5808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5808?: CVE-2008-5808 primarily affects Six Apart Movable Type. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5808?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5808 published?: CVE-2008-5808 was published on 2009-01-02 and last updated on 2026-06-16.

References

Affected products (28)

cpe:2.3:a:six_apart:movable_type:4:*:*:*:*:*:*:*
cpe:2.3:a:six_apart:movable_type:4:unknown:enterprise:*:*:*:*:*
cpe:2.3:a:six_apart:movable_type:4:unknown:open_source:*:*:*:*:*
cpe:2.3:a:six_apart:movable_type:4.20:*:*:*:*:*:*:*
cpe:2.3:a:six_apart:movable_type:4.20:unknown:enterprise:*:*:*:*:*
cpe:2.3:a:six_apart:movable_type:4.20:unknown:open_source:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.00:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.1:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.2:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.3:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.4:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.5:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:1.31:*:enterprise:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.0d:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.1:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.01d:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.2:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.3:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.11:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.12:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.14:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.15:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.16:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.17:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.32:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.33:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.34:*:*:*:*:*:*:*
cpe:2.3:a:sixapart:movable_type:3.35:*:*:*:*:*:*:*

More vulnerabilities in Six Apart Movable Type

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CVE-2003-0287 — Medium (CVSS 6.8): Cross-site scripting (XSS) vulnerability in Movable Type before 2.6, and possibly other versions including 2.63, allows…
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CVE-2005-3101 — Medium (CVSS 5.0): The password reset feature in Movable Type before 3.2 generates different error messages depending on whether a user…
CVE-2008-4079 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Movable Type (MT) 4.x through 4.20, and 3.36 and earlier; Movable Type…
CVE-2007-3342 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in Movable Type (MT) before 3.34 allow remote attackers to inject…

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