A stored Cross-Site Scripting (XSS) vulnerability was identified in FlatPress 1.3.1…
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00546 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:flatpress:flatpress:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | flatpressblog |
- cpe:2.3:a:flatpress:flatpress:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·flatpressblog
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-25460
- 2026-10-03 Alias added: GHSA-rfwv-x796-g3w9
References
More flatpressblog Flatpress vulnerabilities
- TI-2023-00898 Path Traversal in flatpressblog/flatpress CVSS 3.1CRITICAL 9.8
- TI-2022-04209 PHP Remote File Inclusion in flatpressblog/flatpress CVSS 3.1CRITICAL 9.8
- TI-2023-01045 External Control of File Name or Path in flatpressblog/flatpress CVSS 3.1HIGH 8.1
- TI-2022-18965 Flatpress v1.2.1 was discovered to contain a remote code execution (RCE) vulnerability in the Upload File function. CVSS 3.1HIGH 7.2
- TI-2024-09138 Cross-Site Request Forgery (CSRF) in flatpressblog/flatpress CVSS 3.0HIGH 8.0
- TI-2024-03752 Stored XSS in flatpressblog/flatpress CVSS 3.0HIGH 8.1
Sources
- CVE-2025-25460 · CVE Program
- CVE-2025-25460 · NVD
- FIRST EPSS
- GHSA-rfwv-x796-g3w9 · GitHub Advisory Database · CC BY 4.0
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