What is the CVSS score of CVE-2025-5301?

CVE-2025-5301 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 5.3%.

Is there a public PoC exploit available for CVE-2025-5301?

Yes, a public proof-of-concept exploit is available for CVE-2025-5301. Prioritise patching immediately. EPSS: 5.3%.

How to fix or mitigate CVE-2025-5301?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

CVE-2025-5301

EUVD-2025-18164 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-06-12 551230f0-3615-47bd-b7cc-93e92e730bbf

XSS

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 21:20 euvd

EUVD-2025-18164

Analysis Generated

Mar 14, 2026 - 21:20 vuln.today

CVE Published

Jun 12, 2025 - 08:15 nvd

MEDIUM 6.1

DescriptionCVE.org

ONLYOFFICE Docs (DocumentServer) in versions equal and below 8.3.1 are affected by a reflected cross-site scripting (XSS) issue when opening files via the WOPI protocol. Attackers could inject malicious scripts via crafted HTTP POST requests, which are then reflected in the server's HTML response.

Analysis

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

CVE-2025-5301 vulnerability details – vuln.today

Back