Improper validation of syntactic correctness of input vulnerability exist in Movable Type series. Having a user to access a specially crafted URL may allow a remote unauthenticated attacker to set a specially crafted URL to the Reset Password page and conduct a phishing attack. Affected products/versions are as follows: Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier.
Conclusion & alert: CVE-2022-45113 is rated Moderate Risk (41.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.61%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.35% | 0.61% | +0.26% |
| 2 | 2025-12-14 | 0.64% | 0.35% | -0.29% |
| 3 | 2025-12-13 | — | 0.64% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sixapart | movable_type | <= 1.53 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:* |
| sixapart | movable_type | <= 1.53 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:* |
| sixapart | movable_type | >= 6.0, < 6.8.7 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* |
| sixapart | movable_type | >= 6.0, < 6.8.7 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* |
| sixapart | movable_type | >= 7.0, < 7.9.6 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* |
| sixapart | movable_type | >= 7.0, < 7.9.6 | cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN37014768/index.html | Third Party Advisory |
| https://movabletype.org/news/2022/11/mt-796-688-released.html | Release Notes Vendor Advisory |