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Vulnerability record · CVE-2021-36686 · published 26 January 2023

CVE-2021-36686: Ymfe yapi cross-site scripting vulnerability

Ymfe · Yapi

Cross Site Scripting (XSS) vulnerability in yapi 1.9.1 allows attackers to execute arbitrary code via the /interface/api edit page.

5.4 CVSS 3.1 Medium EPSS 0.54% · top 56.8% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.54%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

Cross Site Scripting (XSS) vulnerability in yapi 1.9.1 allows attackers to execute arbitrary code via the /interface/api edit page.

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/YMFE/yapi/issues/2190 ExploitThird Party Advisory
https://github.com/YMFE/yapi/issues/2240
https://github.com/YMFE/yapi/issues/2190 ExploitThird Party Advisory
https://github.com/YMFE/yapi/issues/2240

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Related vulnerabilities

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

7.5CVE-2025-70059Ymfe yapi uncontrolled resource consumption vulnerabilityAn issue pertaining to CWE-400: Uncontrolled Resource Consumption was discovered in YMFE yapi v1.12.0 and allows attackers to cause a denial of servi…EPSS 0.34%7.4CVE-2025-70058Ymfe yapi improper certificate validation vulnerabilityAn issue pertaining to CWE-295: Improper Certificate Validation was discovered in YMFE yapi v1.12.0. The application disables TLS/SSL certificate val…EPSS 0.18%5.4CVE-2025-70060Ymfe yapi cross-site scripting vulnerabilityAn issue pertaining to CWE-79: Improper Neutralization of Input During Web Page Generation was discovered in YMFE yapi v1.12.0.EPSS 0.19%5.4CVE-2018-17574Ymfe yapi cross-site scripting vulnerabilityAn issue was discovered in YMFE YApi 1.3.23. There is stored XSS in the name field of a project.EPSS 0.67%5.1CVE-2021-27884Ymfe yapi vulnerabilityWeak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math…EPSS 0.34%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%analysed

Source: NIST National Vulnerability Database (record CVE-2021-36686), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.