CVE-2025-25460: flatpress XSS — Exploit

Description

A stored Cross-Site Scripting (XSS) vulnerability was identified in FlatPress 1.3.1 within the "Add Entry" feature. This vulnerability allows authenticated attackers to inject malicious JavaScript payloads into blog posts, which are executed when other users view the posts. The issue arises due to improper input sanitization of the "TextArea" field in the blog entry submission form.

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CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
flatpress	flatpress	All

References

Exploits

https://github.com/RoNiXxCybSeC0101/CVE-2025-25460 https://github.com/RoNiXxCybSeC0101/CVE-2025-25460

Other References

https://github.com/flatpressblog/flatpress

Frequently Asked Questions

What is CVE-2025-25460? +

A stored Cross-Site Scripting (XSS) vulnerability was identified in FlatPress 1.3.1 within the "Add Entry" feature. This vulnerability allows authenticated attackers to inject malicious JavaScript payloads into blog posts, which are executed when other users view the posts. The issue arises due to improper input sanitization of the "TextArea" field in the blog entry submission form. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-25460? +

CVE-2025-25460 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-25460? +

CVE-2025-25460 affects products from flatpress, specifically: flatpress. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-25460? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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