CVE-2026-22875
Stored XSS in Movable Type Export Sites Affects EOL Versions
Publication date: 2026-02-04
Last updated on: 2026-02-04
Assigner: JPCERT/CC
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| movable_type | movable_type | to 8.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stored cross-site scripting (XSS) issue found in Movable Type's Export Sites feature. An attacker can input specially crafted data that gets stored by the system. When a logged-in user accesses the affected part of the application, the malicious script executes in their web browser.
This means that the attacker can run arbitrary scripts on the victim's browser, potentially leading to unauthorized actions or data exposure.
The vulnerability affects Movable Type versions 7 series and 8.4 series, which are already End-of-Life (EOL).
How can this vulnerability impact me? :
This stored cross-site scripting vulnerability can impact you by allowing attackers to execute arbitrary scripts in the browsers of logged-in users.
- It can lead to theft of user credentials or session tokens.
- It may enable attackers to perform actions on behalf of the user without their consent.
- It can result in unauthorized access to sensitive information.
- Since the affected versions are End-of-Life, there may be no official patches, increasing the risk.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know