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[SECURITY] Test XSS in dismissed review

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It's possible for reviews to not be assiocated with users, when they
were migrated from another forge instance. In the migration code,
there's no sanitization check for author names, so they could contain
HTML tags and thus needs to be properely escaped.
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Gusted 2024-01-18 00:18:39 +01:00 • committed by Earl Warren
commit ca798e4cc2
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4 changed files with 33 additions and 1 deletions
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2
templates/repo/issue/view_content/comments.tmpl
View file

@ -619,7 +619,7 @@
{{else}}
{{$reviewerName = .Review.OriginalAuthor}}
{{end}}
{{ctx.Locale.Tr "repo.issues.review.dismissed" $reviewerName $createdStr | Safe}}
<span class="dismissed-message">{{ctx.Locale.Tr "repo.issues.review.dismissed" $reviewerName $createdStr | Safe}}</span>
</span>
</div>
{{if .Content}}

9
tests/integration/fixtures/TestXSSReviewDismissed/comment.yml Normal file
View file

@ -0,0 +1,9 @@
-
id: 1000
type: 32 # dismiss review
poster_id: 2
issue_id: 2 # in repo_id 1
content: "XSS time!"
review_id: 1000
created_unix: 1700000000
updated_unix: 1700000000

8
tests/integration/fixtures/TestXSSReviewDismissed/review.yml Normal file
View file

@ -0,0 +1,8 @@
-
id: 1000
type: 1
issue_id: 2
original_author: "Otto <script class='evil'>alert('Oh no!')</script>"
content: "XSS time!"
updated_unix: 1700000000
created_unix: 1700000000

15
tests/integration/xss_test.go
View file

@ -13,6 +13,7 @@ import (
"testing"
"time"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
@ -112,3 +113,17 @@ func TestXSSWikiLastCommitInfo(t *testing.T) {
})
})
}
func TestXSSReviewDismissed(t *testing.T) {
defer tests.AddFixtures("tests/integration/fixtures/TestXSSReviewDismissed/")()
defer tests.PrepareTestEnv(t)()
review := unittest.AssertExistsAndLoadBean(t, &issues_model.Review{ID: 1000})
req := NewRequest(t, http.MethodGet, fmt.Sprintf("/user2/repo1/pulls/%d", +review.IssueID))
resp := MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "script.evil", false)
assert.Contains(t, htmlDoc.Find("#issuecomment-1000 .dismissed-message").Text(), `dismissed Otto <script class='evil'>alert('Oh no!')</script>’s review`)
}