CVE-2015-8813 in the critical feed json
Umbraco CMS vulnerable to CSRF
published 9y ago modified 4mo ago also GHSA-x34j-wxq8-7vcm , EUVD-2022-5692
- cvss
- 8.2
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 11.2%
- EPSS 11.2% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
Is CVE-2015-8813 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
11.15% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template Umbraco <7.4.0- Server-Side Request Forgery nuclei detection template
- openwall.com http://www.openwall.com/lists/oss-security/2016/02/17/5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.2 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 8.2 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Umbraco.CMS | <7.4.0 |
7.4.0 |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/umbraco/Umbraco-CMS/commit/924a016ffe7ae7ea6d516c07a7852f0095eddbce
web, patch, vendor-advisory
-
openwall.com
/lists/oss-security/2016/02/17/5
mailing-list, web, exploit, third-party-advisory
-
issues.umbraco.org
/issue/U4-7457
issue-tracking
-
openwall.com
/lists/oss-security/2016/02/17/1
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2016/02/18/8
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2016/02/16/10
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2015-8813
advisory
-
web.archive.org
/web/20230608160721/https://issues.umbraco.org/issue/U4-7457
web
Sources
- CVE List CVE-2015-8813
- GitHub Advisory GHSA-x34j-wxq8-7vcm
- NVD CVE-2015-8813
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.