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Vulnerability record · CVE-2020-13992 · published 9 July 2020

CVE-2020-13992: Mods-for-hesk mods for hesk cross-site scripting vulnerability

Mods For Hesk · Mods For Hesk

An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A Stored XSS issue allows remote unauthenticated attackers to abuse a helpdesk user's logged in session. A user with sufficient privileges to change their login-page image must open a crafted ticket.

6.1 CVSS 3.1 Medium EPSS 1.2% · top 32.9% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
1.2%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

An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A Stored XSS issue allows remote unauthenticated attackers to abuse a helpdesk user's logged in session. A user with sufficient privileges to change their login-page image must open a crafted ticket.

CVSS:3.1/AV:N/AC:L/PR:N/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://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise ExploitThird Party Advisory
https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise 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-2020-13992), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.