CVE-2025-5301

Name: CVE-2025-5301
Creator: NVD / NIST
Published: 2025-06-12T08:15:23.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 34.86%

Last modified Jun 17, 2026

CVE-2025-5301 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 34.86% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

34.86%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

Timeline

Published: Jun 12, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-5301?

How severe is CVE-2025-5301?

CVE-2025-5301 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 34.86% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5301?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-5301?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST