TI-2026-38946 Aliases CVE-2026-53992 GHSA-5fp2-v633-2824

Reflected XSS in ProjectSend thumbnails-regenerate.php via start_date / end_date Parameters

LOW 23CWE-79Published 2026-08-05 · Updated 2026-08-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

ProjectSend r2029 contains a reflected cross-site scripting vulnerability in thumbnails-regenerate.php that allows remote attackers to inject arbitrary HTML and JavaScript by supplying unsanitized values in the start_date and end_date GET parameters, which are echoed unescaped into HTML attribute values. Attackers can craft a malicious URL that, when followed by an authenticated victim with edit_settings permissions, executes injected scripts in the application origin to steal session cookies or perform unauthorized actions including user management, file management, and application settings changes.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00403 34th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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
ProjectSend	ProjectSend	up to b4ad95b	—	No fix listed	CNA

ProjectSend VendorProjectSend Affected up to b4ad95b Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:projectsend:projectsend::::::::	—	—	ProjectSend

cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:* Versions — — ·ProjectSend

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-53992
2026-10-03 Alias added: GHSA-5fp2-v633-2824

References

Patch 1

Patch Commit

Other 1

Product Repository

TI-2024-10826 ProjectSend Unauthenticated Configuration Modification KEVCVSS 3.1CRITICAL 9.8
TI-2023-30263 ProjectSend r1605 Remote Code Execution via File Extension Manipulation CVSS 4.0HIGH 8.7
TI-2026-76153 ProjectSend users API flaw lets token holders take over accounts CVSS 4.0HIGH 8.6
TI-2023-30213 ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability CVSS 4.0HIGH 7.1
TI-2014-07764 Unrestricted file upload vulnerability in process-upload.php in ProjectSend (formerly… CVSS 2.0HIGH 7.5
TI-2023-30188 ProjectSend r1605 CSV Injection via User Account Export Functionality CVSS 4.0MEDIUM 6.2

See all 34 →

Sources

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