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CVE-2026-117687 six apart ltd.: Code Injection

6.9 mediumEPSS 0.3%

Medium (6.9) in six apart ltd.. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
Movable Type provided by Six Apart Ltd. contains a code injection vulnerability in its Dynamic Publishing functionality. By sending a specially crafted request that is processed by the Dynamic Publishing, an attacker may be able to execute arbitrary PHP code on the affected product.

Severity

CVSS 4.0

6.9 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.0

7.3 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 24th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-94 Improper Control of Generation of Code (Code Injection)
OWASP Top 10
A05:2025 Injection
Published
Modified
Assigned by
jpcert (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

  • six apart ltd.:movable type
  • six apart ltd.:movable type advanced
  • six apart ltd.:movable type premium
  • six apart ltd.:movable type premium advanced edition

Versions

From the CNA's record in the CVE List.

ProductAffected
Six Apart Ltd. Movable Typefrom 8.8.0 through 8.8.6
Six Apart Ltd. Movable Type Advancedfrom 8.8.0 through 8.8.6
Six Apart Ltd. Movable Typefrom 8.0.0 through 8.0.13
Six Apart Ltd. Movable Type Advancedfrom 8.0.0 through 8.0.13
Six Apart Ltd. Movable Type Premiumfrom 2.00 through 2.18
Six Apart Ltd. Movable Type Premium Advanced Editionfrom 2.00 through 2.18

Attack patterns (CAPEC)

  • CAPEC-35 Leverage Executable Code in Non-Executable Files Likelihood: High · Severity: Very High
  • CAPEC-77 Manipulating User-Controlled Variables Likelihood: High · Severity: Very High
  • CAPEC-242 Code Injection Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

History

  1. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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