TI-2024-08996 Aliases CVE-2024-9699 GHSA-rqhc-x44r-f23j

Cross-Site Scripting (XSS) in flatpressblog/flatpress

MEDIUM 60CWE-79Published 2025-03-20 · Updated 2025-03-20

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A vulnerability in the file upload functionality of the FlatPress CMS admin panel (version latest) allows an attacker to upload a file with a JavaScript payload disguised as a filename. This can lead to a Cross-Site Scripting (XSS) attack if the uploaded file is accessed by other users. The issue is fixed in version 1.4.dev.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00358 29th percentileScored 2026-11-07

Fix Fixed flatpressblog/flatpress (flatpressblog): 1.4.dev

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

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
flatpressblog	flatpressblog/flatpress	before 1.4.dev	1.4.dev	Patch available	CNA

flatpressblog/flatpress Vendorflatpressblog Affected before 1.4.dev Fixed in 1.4.dev Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:flatpress:flatpress::::::::	before 1.4	Vulnerable	flatpressblog

cpe:2.3:a:flatpress:flatpress:*:*:*:*:*:*:*:* Versions before 1.4 Vulnerable ·flatpressblog

Remediation

Fix · CNA flatpressblog/flatpress (flatpressblog) Fixed in 1.4.dev

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2025-03-20
flatpressblog/flatpress 1.4.dev
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2024-09138 Cross-Site Request Forgery (CSRF) in flatpressblog/flatpressPriority HIGH 70
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2024-9699
2026-10-03 Alias added: GHSA-rqhc-x44r-f23j

References

Patch 1

https://github.com/flatpressblog/flatpress/commit/f364391085334a7eae02aa2320edd6de7466ec85

Advisory 1

https://huntr.com/bounties/a993a05f-be50-4983-a44a-3bbff1ec00db

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

See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences