Is CVE-2025-27921 actively exploited?

CVE-2025-27921 has no public evidence of in-the-wild exploitation as of 2025-06-13.

What is the CVSS score for CVE-2025-27921?

CVE-2025-27921 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2025-27921?

Patch guidance is available from srimax security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-27921.

Which products are affected by CVE-2025-27921?

1 product: srimax output messenger.

CVE-2025-27921 - remediation guidance & executive summary

Description

A reflected cross-site scripting (XSS) vulnerability was discovered in Output Messenger before 2.0.63, where unsanitized input could be injected into the web application’s response. This vulnerability occurs when user-controlled input is reflected back into the browser without proper sanitization or encoding.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: SRIMAX
Published: 5/5/2025
Last Modified: 6/13/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-27921

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary