Is CVE-2008-4634 actively exploited?

CVE-2008-4634 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2008-4634?

CVE-2008-4634 has a CVSS score of 3.5 (UNKNOWN severity). Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N.

How do I patch CVE-2008-4634?

Patch guidance is available from six apart security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2008-4634.

CVE-2008-4634 - remediation guidance & executive summary

Q: Which products are affected by CVE-2008-4634?

8 products: six apart movable type, six apart movable type, six apart movable type, six apart movable type, six apart movable type, and 3 more.

Description

Cross-site scripting (XSS) vulnerability in Movable Type 4 through 4.21 allows remote attackers to inject arbitrary web script or HTML via unknown vectors related to the administrative page, a different vulnerability than CVE-2008-4079.

CVSS Metrics

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
Access Vector: network
Access Cmplx: medium
Auth: single
Confidentiality: none
Integrity: partial
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: SIX_APART
Published: 10/21/2008
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

six_apart : movable_typesix_apart : movable_typesix_apart : movable_typesix_apart : movable_typesix_apart : movable_typesix_apart : movable_typesix_apart : movable_typesix_apart : movable_type

Remediation Guidance

Executive Summary

View on NIST NVD