Unauthenticated Cross Site Scripting (XSS) in Open User Map <= 1.4.50 versions. (CVE-2026-84818)
Description
An unauthenticated cross-site scripting (XSS) vulnerability exists in Open User Map versions up to and including 1.4.50. This vulnerability allows an attacker to inject malicious scripts that can execute in the context of a user's browser. The vulnerability has a high severity rating with a CVSS score of 7.1.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84818 describes an unauthenticated cross-site scripting (XSS) vulnerability affecting Open User Map versions up to 1.4.50. This vulnerability allows attackers to inject malicious scripts without requiring authentication, potentially leading to partial confidentiality, integrity, and availability impacts as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L). No patch or remediation information is currently provided.
Potential Impact
The vulnerability can be exploited remotely without authentication, enabling attackers to execute arbitrary scripts in users' browsers. This can lead to partial compromise of confidentiality, integrity, and availability of affected systems or user data. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. In the absence of an official fix, users should monitor vendor channels for updates and consider applying any recommended temporary mitigations once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-r47m-7q9p-f86q
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84818"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa005a8acd9273b49ab464a
Added to database: 09/08/2026, 12:55:04 UTC
Last enriched: 09/08/2026, 12:59:20 UTC
Last updated: 10/23/2026, 15:12:06 UTC
Views: 50
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