Vulnerability · CVE-2025-55706
URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type.
Published Aug 20, 2025 · catalog updated Aug 20, 2025 · Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition)
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-55706. EPSS is 0.21%. Act only if a listed version of Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Vendor / distro source
- Affected products
- vendor Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) 2.09 and earlier (2 series)
URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter may be inserted into the password reset page, which may lead to redirection to an arbitrary URL.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) 2.09 and earlier (2 series)2.09 and earlier (2 series)
How to fix CVE-2025-55706
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 2.09 and earlier (2 series)
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-55706. EPSS is 0.21%. Act only if a listed version of Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) is installed.
Which versions are affected?
Compare what you have installed with Six Apart Ltd. Movable Type Premium (Advanced Edition) (Software Edition) 2.09 and earlier (2 series) 2.09 and earlier (2 series). Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 20, 2025 · EUVD
Detected
URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter may be inserted into the password reset page, which may lead to redirection to an arbitrary URL.
Aug 20, 2025 · EUVD
Updated
URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter may be inserted into the password reset page, which may lead to redirection to an arbitrary URL.
Sources
- CVE.orgVulnerability recordCVE-2025-55706
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-55706
30-day exploitation probability 0.21%
first.org - EUVDVulnerability recordEUVD-2025-25324
URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter may be inserted into the password reset page, which may lead to redirection to an arbitrary URL.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 22, 2026
- EUVDOct 22, 2026