CVE-2024-22414 (GCVE-0-2024-22414)

Vulnerability from cvelistv5 – Published: 2024-01-17 20:25 – Updated: 2025-06-17 21:19
VLAI
Title
User profile page vulnerable to Cross Site Scripting (XSS) in flaskBlog
Summary
flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<user>` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `<div class="content" tag="content">{{comment[2]|safe}}</div>`. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-18 14:23 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
GitHub_M CNA
References
Impacted products
Show details on NVD website
To clipboard 

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          "dateUpdated": "2024-08-01T22:43:34.920Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "name": "https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6",
            "tags": [
              "x_refsource_CONFIRM",
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            "url": "https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6"
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        "metrics": [
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                "id": "CVE-2024-22414",
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                    "Technical Impact": "partial"
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                "timestamp": "2024-01-18T14:23:57.528123Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2025-06-17T21:19:19.643Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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    "cna": {
      "affected": [
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          "vendor": "DogukanUrker",
          "versions": [
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          "value": "flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/\u003cuser\u003e` page allows a user\u0027s comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `\u003cdiv class=\"content\" tag=\"content\"\u003e{{comment[2]|safe}}\u003c/div\u003e`. Use of the \"safe\" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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      "providerMetadata": {
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    "dateReserved": "2024-01-10T15:09:55.551Z",
    "dateUpdated": "2025-06-17T21:19:19.643Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1"
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