CVE-2020-5810
MEDIUMCVSS 5.4/10EPSS 66.20%
Last modified
CVE-2020-5810 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.. EPSS estimates a 66.20% chance of exploitation in the next 30 days.
Description
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Umbraco | Umbraco Cms | <= 8.9.1 |
References
- https://www.tenable.com/security/research/tra-2020-59Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-59Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5810?
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.
How severe is CVE-2020-5810?
CVE-2020-5810 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 66.20% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5810?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-5810?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST