What is the CVSS score of CVE-2025-55574?

CVE-2025-55574 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: 0.0%.

Which versions of Docmost are affected by CVE-2025-55574?

Organizations using docmost v.0.21.0 and should be aware of moderate risk from CVE-2025-55574, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2025-55574?

Within 30 days: Identify affected systems running docmost v.0.21.0 and and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Docmost CVE-2025-55574

MEDIUM

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

2025-08-25 cve@mitre.org

XSS RCE Docmost

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

CVE Published

Aug 25, 2025 - 16:15 nvd

MEDIUM 6.1

DescriptionCVE.org

Cross Site Scripting vulnerability in docmost v.0.21.0 and before allows an attacker to execute arbitrary code

AnalysisAI

Cross Site Scripting vulnerability in docmost v.0.21.0 and before allows an attacker to execute arbitrary code. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross Site Scripting vulnerability in docmost v.0.21.0 and before allows an attacker to execute arbitrary code Affected products include: Docmost.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.