本ページは hackmd codimd に影響する公開済み CVE（NVD の CPE 経由で関連付け）を列挙します。各行に深刻度指標・概要・公開日が含まれます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2025-46655 | CodiMD through 2.5.4 has a CSP-based protection mechanism against XSS through uploaded SVG documents containing JavaScript, but it can be bypassed in certain cases of different-origin file storage, such as AWS S3. NOTE: it can be considered a user error if AWS is employed for hosting untrusted JavaScript content, but the selected architecture within AWS does not have components that are able to insert Content-Security-Policy headers. | [email protected] | 4.9 | 0.20% | 2025-04-26 | 2026-06-17 |
| CVE-2025-46654 | CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded JavaScript content, but it can be bypassed by uploading a .html file that references an uploaded .js file. | [email protected] | 4.9 | 0.21% | 2025-04-26 | 2026-06-17 |
| CVE-2024-38354 | CodiMD allows realtime collaborative markdown notes on all platforms. The notebook feature of Hackmd.io permits the rendering of iframe `HTML` tags with an improperly sanitized `name` attribute. This vulnerability enables attackers to perform cross-site scripting (XSS) attacks via DOM clobbering. This vulnerability is fixed in 2.5.4. | [email protected] | 8.1 | 0.40% | 2024-07-10 | 2026-06-17 |
| CVE-2024-38353 | CodiMD allows realtime collaborative markdown notes on all platforms. CodiMD before 2.5.4 is missing authentication and access control vulnerability allowing an unauthenticated attacker to gain unauthorised access to image data uploaded to CodiMD. CodiMD does not require valid authentication to access uploaded images or to upload new image data. An attacker who can determine an uploaded image's URL can gain unauthorised access to uploaded image data. Due to the insecure random filename generatio | [email protected] | 5.3 | 1.16% | 2024-07-10 | 2026-06-17 |
| CVE-2024-22778 | HackMD CodiMD <2.5.2 is vulnerable to Denial of Service. | [email protected] | 7.5 | 0.69% | 2024-02-21 | 2026-06-17 |
| CVE-2019-15499 | CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL. | [email protected] | 6.1 | 0.86% | 2019-08-23 | 2026-06-16 |