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Code Issues Projects Releases Packages Wiki Activity Actions 9

[SECURITY] Test XSS in wiki last commit information

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On the wiki and revisions page, information is shown about the last
commit that modified that wiki page. This includes the time it was last
edited and by whom. Verify it is sanitized.

(cherry picked from commit 565e331238)
(cherry picked from commit 92dae3a387)
This commit is contained in:
Gusted 2024-01-17 16:16:46 +01:00 committed by Earl Warren
parent ef05332c3b
commit 37f03e065a
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GPG key ID: 0579CB2928A78A00
1 changed files with 75 additions and 0 deletions
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75
tests/integration/xss_test.go
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@ -4,14 +4,24 @@
package integration
import (
"context"
"fmt"
"net/http"
"net/url"
"os"
"path/filepath"
"testing"
"time"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/tests"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestXSSUserFullName(t *testing.T) {
@ -37,3 +47,68 @@ func TestXSSUserFullName(t *testing.T) {
htmlDoc.doc.Find("div.content").Find(".header.text.center").Text(),
)
}
func TestXSSWikiLastCommitInfo(t *testing.T) {
onGiteaRun(t, func(t *testing.T, u *url.URL) {
// Prepare the environment.
dstPath := t.TempDir()
r := fmt.Sprintf("%suser2/repo1.wiki.git", u.String())
u, err := url.Parse(r)
assert.NoError(t, err)
u.User = url.UserPassword("user2", userPassword)
assert.NoError(t, git.CloneWithArgs(context.Background(), git.AllowLFSFiltersArgs(), u.String(), dstPath, git.CloneRepoOptions{}))
// Use go-git here, because using git wouldn't work, it has code to remove
// `<`, `>` and `\n` in user names. Even though this is permitted and
// wouldn't result in a error by a Git server.
gitRepo, err := gogit.PlainOpen(dstPath)
require.NoError(t, err)
w, err := gitRepo.Worktree()
require.NoError(t, err)
filename := filepath.Join(dstPath, "Home.md")
err = os.WriteFile(filename, []byte("Oh, a XSS attack?"), 0o644)
require.NoError(t, err)
_, err = w.Add("Home.md")
require.NoError(t, err)
_, err = w.Commit("Yay XSS", &gogit.CommitOptions{
Author: &object.Signature{
Name: `Gusted<script class="evil">alert('Oh no!');</script>`,
Email: "valid@example.org",
When: time.Date(2024, time.January, 31, 0, 0, 0, 0, time.UTC),
},
})
require.NoError(t, err)
// Push.
_, _, err = git.NewCommand(git.DefaultContext, "push").AddArguments(git.ToTrustedCmdArgs([]string{"origin", "master"})...).RunStdString(&git.RunOpts{Dir: dstPath})
require.NoError(t, err)
// Check on page view.
t.Run("Page view", func(t *testing.T) {
defer tests.PrintCurrentTest(t)()
req := NewRequest(t, http.MethodGet, "/user2/repo1/wiki/Home")
resp := MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "script.evil", false)
assert.Contains(t, htmlDoc.Find(".ui.sub.header").Text(), `Gusted<script class="evil">alert('Oh no!');</script> edited this page 2024-01-31`)
})
// Check on revisions page.
t.Run("Revision page", func(t *testing.T) {
defer tests.PrintCurrentTest(t)()
req := NewRequest(t, http.MethodGet, "/user2/repo1/wiki/Home?action=_revision")
resp := MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "script.evil", false)
assert.Contains(t, htmlDoc.Find(".ui.sub.header").Text(), `Gusted<script class="evil">alert('Oh no!');</script> edited this page 2024-01-31`)
})
})
}