3.3
LOW CVSS 2.0
CVE-2026-15321
MyEMS Admin Backend svg.py on_post cross site scripting
Description

A vulnerability was found in MyEMS up to 6.4.0. The affected element is the function on_post of the file myems-api/core/svg.py of the component Admin Backend. The manipulation of the argument new_values['data'] results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. Upgrading to version 6.5.0 is sufficient to fix this issue. The patch is identified as 4a97edfbd786c779d0322054833b21ddf54d5b06. It is suggested to upgrade the affected component. The issue report remains open even though there is an official fix for it.

INFO

Published Date :

July 10, 2026, 4:17 a.m.

Last Modified :

July 10, 2026, 4:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-15321 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 4.0 LOW [email protected]
Solution
Upgrade MyEMS to version 6.5.0 to address the cross-site scripting vulnerability in the Admin Backend component.
  • Upgrade MyEMS to version 6.5.0.
  • Apply the vendor patch identified as 4a97edfbd786c779d0322054833b21ddf54d5b06.
  • Upgrade the affected Admin Backend component.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15321 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-15321 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-15321 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 10, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:myems:myems:*:*:*:*:*:*:*:*'], 'vendor': 'n/a', 'modules': ['Admin Backend'], 'product': 'MyEMS', 'versions': [{'status': 'affected', 'version': '6.0'}, {'status': 'affected', 'version': '6.1'}, {'status': 'affected', 'version': '6.2'}, {'status': 'affected', 'version': '6.3'}, {'status': 'affected', 'version': '6.4.0'}, {'status': 'unaffected', 'version': '6.5.0'}]}]
    Added Description A vulnerability was found in MyEMS up to 6.4.0. The affected element is the function on_post of the file myems-api/core/svg.py of the component Admin Backend. The manipulation of the argument new_values['data'] results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. Upgrading to version 6.5.0 is sufficient to fix this issue. The patch is identified as 4a97edfbd786c779d0322054833b21ddf54d5b06. It is suggested to upgrade the affected component. The issue report remains open even though there is an official fix for it.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:M/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Reference https://github.com/MyEMS/myems/
    Added Reference https://github.com/MyEMS/myems/commit/4a97edfbd786c779d0322054833b21ddf54d5b06
    Added Reference https://github.com/MyEMS/myems/issues/412
    Added Reference https://github.com/MyEMS/myems/releases/tag/v6.5.0
    Added Reference https://vuldb.com/cve/CVE-2026-15321
    Added Reference https://vuldb.com/submit/853060
    Added Reference https://vuldb.com/vuln/377263
    Added Reference https://vuldb.com/vuln/377263/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.