SARA / Free Tools / CVE / CVE-2023-49279

CVE-2023-49279 — Umbraco is an ASP

Umbraco is an ASP.NET content management system (CMS). Starting in version 7.0.0 and prior to versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0, a user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media

CVSS
3.7 LOW
EPSS
0.45% (top 36.90%)
CWE
CWE-79
Published
2023-12-12T19:35:05.931Z
Last modified
2024-08-28T14:43:18.346Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

01What is this vulnerability?

Umbraco is an ASP.NET content management system (CMS). Starting in version 7.0.0 and prior to versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0, a user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed. Versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0 contain a…

02Affected products

VendorProductVersions
umbracoUmbracoCMS — >= 7.0.0, < 7.15.11, >= 8.0.0, < 8.18.9, >= 9.0.0-rc001, < 10.7.0, >= 11.0.0-rc1, < 11.5.0, >= 12.0.0-rc1, < 12.2.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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