What’s Vulnerable › Vulnerabilities

CVE-2021-25921

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 91.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-22 · updated 2026-06-17
• Weakness: CWE-79

Description

In OpenEMR, versions 2.7.3-rc1 to 6.0.0 are vulnerable to Stored Cross-Site-Scripting (XSS) due to user input not being validated properly in the `Allergies` section. An attacker could lure an admin to enter a malicious payload and by that initiate the exploit.

Affected products

• openemr: from 2.7.3 through 6.0.0

References

• https://github.com/openemr/openemr/commit/0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427f
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25921
• https://github.com/openemr/openemr/commit/0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427f
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25921

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