Home/CVE/A reflected cross-site scripting (XSS) vulnerability was discovered in Output Messenger before 2.0.63, where unsanitized
CVE

CVE-2025-27921

A reflected cross-site scripting (XSS) vulnerability was discovered in Output Messenger before 2.0.63, where unsanitized

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.

MEDIUM · CVSS 6.1 EPSS 0.00182
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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Affected Products & Versions

1
srimax output messenger< 2.0.63
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 May 2025 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.outputmessenger.com/cve-2025-27921/Vendor Advisory
https://www.srimax.com/products-2/output-messenger/Product
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