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Vulnerability record · CVE-2021-3159 · published 23 July 2021

CVE-2021-3159: Landray ekp cross-site scripting vulnerability

LLandray · Landray Ekp

A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.

5.4 CVSS 3.1 Medium EPSS 0.52% · top 58.2% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fa1c0n1/m01e-wiki/blob/main/my-vulns/landray-ekp.md ExploitThird Party Advisory
https://github.com/fa1c0n1/m01e-wiki/blob/main/my-vulns/landray-ekp.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-3159), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.