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Vulnerability record · CVE-2025-25460 · published 24 February 2025

CVE-2025-25460: Flatpress cross-site scripting vulnerability

Flatpress · Flatpress

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.

4.8 CVSS 3.1 Medium EPSS 0.55% · top 56.5% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/RoNiXxCybSeC0101/CVE-2025-25460 ExploitThird Party Advisory
https://github.com/flatpressblog/flatpress Product
https://github.com/RoNiXxCybSeC0101/CVE-2025-25460 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-0947Flatpress path traversal vulnerabilityPath Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.EPSS 3.6%9.8CVE-2022-4748Flatpress path traversal vulnerabilityA vulnerability was found in FlatPress. It has been classified as critical. This affects the function doItemActions of the file fp-plugins/mediamanag…EPSS 0.87%9.8CVE-2022-4606Flatpress php remote file inclusion vulnerabilityPHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.EPSS 35%8.8CVE-2020-22761Flatpress cross-site request forgery vulnerabilityCross Site Request Forgery (CSRF) vulnerability in FlatPress 1.1 via the DeleteFile function in flat/admin.php.EPSS 0.76%8.1CVE-2024-4023Flatpress cross-site scripting vulnerabilityA stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a file with a `.xsig` extension …EPSS 0.79%8.1CVE-2024-41290Flatpress vulnerabilityFlatPress CMS v1.3.1 1.3 was discovered to use insecure methods to store authentication data via the cookie's component.EPSS 0.43%8.1CVE-2023-1105Flatpress vulnerabilityExternal Control of File Name or Path in GitHub repository flatpressblog/flatpress prior to 1.3.EPSS 0.71%8.0CVE-2024-9847Flatpress cross-site request forgery vulnerabilityFlatPress CMS version latest is vulnerable to Cross-Site Request Forgery (CSRF) attacks that allow an attacker to enable or disable plugins on behalf…EPSS 0.34%

Source: NIST National Vulnerability Database (record CVE-2025-25460), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.