flaskBlog Stored XSS Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| DogukanUrker | FlaskBlog | affected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Dogukanurker | Flaskblog | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-25199 | flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when creating a post, there's no validation of the content of the post stored in the variable "postContent". The vulnerability arises when displaying the content of the post using the | safe filter, that tells the engine to not escape the rendered content. This can lead to a stored XSS inside the content of the post. The code that causes the problem is in template/routes.html. |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.230% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:dogukanurker:flaskblog:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Dogukanurker
Dogukanurker flaskblog |
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| Vendors & Products |
Dogukanurker
Dogukanurker flaskblog |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when creating a post, there's no validation of the content of the post stored in the variable "postContent". The vulnerability arises when displaying the content of the post using the | safe filter, that tells the engine to not escape the rendered content. This can lead to a stored XSS inside the content of the post. The code that causes the problem is in template/routes.html. | |
| Title | flaskBlog Stored XSS Vulnerability | |
| Weaknesses | CWE-79 CWE-807 |
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| References |
| |
| Metrics |
cvssV4_0
|