CVE-2025-53631

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Source
https://cve.org/CVERecord?id=CVE-2025-53631
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53631.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-53631
Aliases
  • GHSA-cj43-h8qf-7rw7
Published
2025-08-14T15:26:32.758Z
Modified
2026-04-10T05:30:53.349147Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N CVSS Calculator
Summary
flaskBlog XSS Vulnerability in postContent
Details

flaskBlog is a blog app built with Flask. In versions 2.8.1 and prior, improper sanitization of postContent when submitting POST requests to /createpost leads to arbitrary JavaScript execution (XSS) on all pages the post is reflected on including /, /post/[ID], /admin/posts, and /user/[ID] of the user that made the post. At time of publication, there are no public patches available.

Database specific 
{
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53631.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/dogukanurker/flaskblog

Affected ranges

Type
GIT
Repo
https://github.com/dogukanurker/flaskblog
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a45d888e0b5ee56b19cf0489807f1a69c87346d7
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.8.1"
        }
    ]
}

Affected versions

1.*
1.0.0
1.0.1
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
1.0.8
1.0.9
1.1.0
2.*
2.0.0
2.0.1
2.0.10
2.0.11
2.0.12
2.0.2
2.0.3
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
2.1.0
2.1.1
2.1.2
2.1.3
2.1.4
2.2.0
2.2.1
2.3.0
2.4.0
2.5.0
2.6.0
2.8.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53631.json"