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CVE-2008-5845

Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before 4.23 allow remote attackers to inject arbitrary web script or HTML via a (1) MTEntryAuthorUsername, (2) MTAuthorDisplayName, (3) MTEntryAuthorDisplayName, or (4) MTCommenterName field in a Profile View template; a (5) listing screen or (6) edit screen in the CMS app; (7) a TrackBack title, related to the…

Severity
Medium 4.3
Published
5 Jan 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 64% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Sources
NVD

Description

Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before 4.23 allow remote attackers to inject arbitrary web script or HTML via a (1) MTEntryAuthorUsername, (2) MTAuthorDisplayName, (3) MTEntryAuthorDisplayName, or (4) MTCommenterName field in a Profile View template; a (5) listing screen or (6) edit screen in the CMS app; (7) a TrackBack title, related to the HTML sanitization library; or (8) a user archive name (aka archive title) on a published Community Blog template.

From NVD.

Affected software

SoftwareAffected versions
Movable TypeServers and applications · cpe:a:sixapart:movable_type
  • Version 4.2
  • Version 3.35
  • Version 3.34
  • Version 3.33
All 17 release lines
  • Every version up to 4.21
  • Version 3.0d
  • Version 3.1
  • Version 3.01d
  • Version 3.2
  • Version 3.3
  • Version 3.11
  • Version 3.12
  • Version 3.14
  • Version 3.15
  • Version 3.16
  • Version 3.17
  • Version 3.32
  • Version 3.33
  • Version 3.34
  • Version 3.35
  • Version 4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-5845
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-5845