CVE-2015-8813
The Page_Load function in Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs in Umbraco before 7.4.0 allows remote attackers to conduct server-side request forgery (SSRF) attacks via the url parameter.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The Page_Load function in Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs in Umbraco before 7.4.0 allows remote attackers to conduct server-side request forgery (SSRF) attacks via the url parameter.
- CVSS 3.0
- 8.2 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N
- EPSS
- 11.15% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- umbraco/umbraco
- Source
- cve@mitre.org
EPSS moved from 9.6% on 21 September 2026 to 11.2% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://issues.umbraco.org/issue/U4-7457Issue Tracking
- http://www.openwall.com/lists/oss-security/2016/02/16/10Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/17/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/17/5Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/18/8Mailing List, Third Party Advisory
- https://github.com/umbraco/Umbraco-CMS/commit/924a016ffe7ae7ea6d516c07a7852f0095eddbcePatch, Vendor Advisory
- http://issues.umbraco.org/issue/U4-7457Issue Tracking
- http://www.openwall.com/lists/oss-security/2016/02/16/10Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/17/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/17/5Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/18/8Mailing List, Third Party Advisory
- https://github.com/umbraco/Umbraco-CMS/commit/924a016ffe7ae7ea6d516c07a7852f0095eddbcePatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.