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Vulnerability record · CVE-2020-29593 · published 14 April 2021

CVE-2020-29593: Orchardproject orchard cross-site scripting vulnerability

Orchardproject · Orchard

An issue was discovered in Orchard before 1.10. The Media Settings Allowed File Types list field allows an attacker to add a XSS payload that will execute when users attempt to upload a disallowed file type, causing the error to display.

5.4 CVSS 3.1 Medium EPSS 0.63% · top 52.0% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Orchard before 1.10. The Media Settings Allowed File Types list field allows an attacker to add a XSS payload that will execute when users attempt to upload a disallowed file type, causing the error to display.

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://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html ExploitThird Party Advisory
https://github.com/OrchardCMS/Orchard/releases Release NotesThird Party Advisory
https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html ExploitThird Party Advisory
https://github.com/OrchardCMS/Orchard/releases Release NotesThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2020-29592Orchardproject orchard unrestricted file upload vulnerabilityAn issue was discovered in Orchard before 1.10. A broken access control issue in Orchard components that use the TinyMCE HTML editor's file upload al…EPSS 2.2%5.8CVE-2011-5252Orchardproject orchard improper input validation vulnerabilityOpen redirect vulnerability in Users/Account/LogOff in Orchard 1.0.x before 1.0.21, 1.1.x before 1.1.31, 1.2.x before 1.2.42, and 1.3.x before 1.3.10…EPSS 12%4.3CVE-2015-5520Orchardproject orchard cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the Users module in Orchard 1.7.3 through 1.8.2 and 1.9.x before 1.9.1 allows remote attackers to inject …EPSS 4.0%4.3CVE-2013-3645Orchardproject orchard cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the Orchard.Comments module in Orchard before 1.6.1 allows remote attackers to inject arbitrary web scrip…EPSS 1.1%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed6.1CVE-2025-66376Zimbra Collaboration Classic UI stored XSS via CSS @import in emailZimbra Collaboration Suite 10 before 10.0.18 and 10.1 before 10.1.13 allows stored cross-site scripting in the Classic UI through CSS @import directi…KEVEPSS 20%analysed6.1CVE-2025-68461Roundcube Webmail XSS via SVG animate tagRoundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is vulnerable to cross-site scripting through the animate tag in an SVG document. Because the f…KEVEPSS 27%analysed

Source: NIST National Vulnerability Database (record CVE-2020-29593), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.