CVE-2021-25921In 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.
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It affects open-emr openemr. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 91.10%, higher than 100% of scored CVEs. That is high: schedule it on your emergency patch path.
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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.
- CVSS
- 5.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 91.10% (percentile 100)
- Assigned by
- Mend
- NVD analysis
- Modified
- Record last updated
- Apr 30, 2025
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
open-emr openemr open-emr:openemr | from 2.7.3 through 6.0.0 | NVD |
References
- https://github.com/openemr/openemr/commit/0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427fx-refsource-misc, patch, third-party-advisory
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25921x-refsource-misc, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.