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I have a web part page with nothing on it.

The user has SPBasePermissions.Open and SPBasePermissions.ViewPages only.

The ULS shows:

UnauthorizedAccessException for the request. 403 Forbidden will be returned. Error=Attempted to perform an unauthorized operation.
at Microsoft.SharePoint.Utilities.SPUtility.HandleAccessDenied(Exception ex)
at Microsoft.SharePoint.ApplicationRuntime.SPRequestModuleData.GetWebPartPageData(HttpContext context, String path, Boolean throwIfFileNotFound)
at Microsoft.SharePoint.ApplicationRuntime.SPVirtualFile.CalculateFileDependencies(HttpContext context, SPRequestModuleData basicRequestData, ICollection& directDependencies, ICollection& childDependencies)
at Microsoft.SharePoint.ApplicationRuntime.SPDatabaseFile.EnsureDependencies(HttpContext context, SPRequestModuleData requestData)
at Microsoft.SharePoint.ApplicationRuntime.SPDatabaseFile.EnsureCacheKeyAndViewStateHash(HttpContext context, SPRequestModuleData requestData)
at Microsoft.SharePoint.ApplicationRuntime.SPDatabaseFile.GetVirtualPathProviderCacheKey(HttpContext context, SPRequestModuleData requestData)
at Microsoft.SharePoint.ApplicationRuntime.SPVirtualPathProvider.GetCacheKey(String virtualPath)
at Microsoft.SharePoint.Publishing.Internal.CmsVirtualPathProvider.GetCacheKey(String virtualPath)
at System.Web.Compilation.BuildManager.GetCacheKeyFromVirtualPath(VirtualPath virtualPath, Boolean& keyFromVPP)
at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
at System.Web.HttpApplication.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

If I add the permission SPBasePermissions.ViewFormPages (labeled in the UI as "View Application Pages") this loads fine.

Why is this permission needed?

closed as off-topic by Robert Lindgren May 9 '16 at 12:04

  • This question does not appear to be about SharePoint within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

  • Are there any form Web Parts present on the page? – Falak Mahmood Feb 6 '14 at 0:32
  • Nope, there are no web parts on the page at all. – RJ Cuthbertson Feb 6 '14 at 14:47
  • I'm wondering if it's something in the master page... – RJ Cuthbertson Feb 17 '14 at 21:04
  • 1
    Stupid question time: 1. Why do you have a Web Part Page with no Web Parts? 2. If you add a Web Part to the page, does the user get the error? 3. Have you tried adding a Basic Page to your Document Library and seeing what permissions the user needs? – CigarDoug Dec 8 '14 at 14:25
  • IIRC I had an empty web part page to try to debug least level of privilege, but the extra permission in question was being required by something in the master page. I have no way to verify this now though, don't even work with SharePoint anymore. – RJ Cuthbertson Dec 8 '14 at 15:02

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