CVE-2026-15321: Cross Site Scripting in MyEMS
CVE-2026-15321 is a cross-site scripting (XSS) vulnerability in MyEMS affecting versions 6.0 through 6.4.0. The issue exists in the on_post function of the myems-api/core/svg.py file within the Admin Backend component. An attacker can remotely manipulate the argument new_values['data'] to execute XSS attacks. The vulnerability has a medium severity score of 4.8. An official fix is available in version 6.5.0, which addresses this issue.
AI Analysis
Technical Summary
This vulnerability in MyEMS up to version 6.4.0 allows remote attackers to perform cross-site scripting via manipulation of the new_values['data'] argument in the on_post function of the myems-api/core/svg.py file in the Admin Backend component. The vulnerability enables injection of malicious scripts due to insufficient input sanitization. The issue has been publicly disclosed with an exploit available. The vendor fixed the vulnerability in version 6.5.0, identified by patch 4a97edfbd786c779d0322054833b21ddf54d5b06.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to session hijacking, defacement, or other malicious actions within the scope of the Admin Backend. The CVSS score of 4.8 reflects a medium impact with network attack vector and low integrity impact.
Mitigation Recommendations
Upgrade MyEMS to version 6.5.0 or later to apply the official fix for this vulnerability. This upgrade addresses the cross-site scripting issue in the Admin Backend component. No additional mitigation steps are required if the upgrade is applied.
CVE-2026-15321: Cross Site Scripting in MyEMS
Description
CVE-2026-15321 is a cross-site scripting (XSS) vulnerability in MyEMS affecting versions 6.0 through 6.4.0. The issue exists in the on_post function of the myems-api/core/svg.py file within the Admin Backend component. An attacker can remotely manipulate the argument new_values['data'] to execute XSS attacks. The vulnerability has a medium severity score of 4.8. An official fix is available in version 6.5.0, which addresses this issue.
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/myems/myemscpe:2.3:a:myems:myems:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in MyEMS up to version 6.4.0 allows remote attackers to perform cross-site scripting via manipulation of the new_values['data'] argument in the on_post function of the myems-api/core/svg.py file in the Admin Backend component. The vulnerability enables injection of malicious scripts due to insufficient input sanitization. The issue has been publicly disclosed with an exploit available. The vendor fixed the vulnerability in version 6.5.0, identified by patch 4a97edfbd786c779d0322054833b21ddf54d5b06.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to session hijacking, defacement, or other malicious actions within the scope of the Admin Backend. The CVSS score of 4.8 reflects a medium impact with network attack vector and low integrity impact.
Mitigation Recommendations
Upgrade MyEMS to version 6.5.0 or later to apply the official fix for this vulnerability. This upgrade addresses the cross-site scripting issue in the Admin Backend component. No additional mitigation steps are required if the upgrade is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-09T18:12:04.329Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a506b8268715ace43e9d6f0
Added to database: 07/10/2026, 03:48:18 UTC
Last enriched: 07/10/2026, 04:03:18 UTC
Last updated: 07/10/2026, 04:07:28 UTC
Views: 3
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