Vulnerability Details CVE-2026-28354
ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 #59, collection item operations are vulnerable to authorization flaws, allowing a normal authenticated user to modify another user’s collection items. This affects both add item (/actions/add_to_collection.php) due to missing authorization checks and delete item (/manage_collections.php?mode=manage_items...) due to a broken ownership check in removeItemFromCollection(). As a result, attackers can insert and remove items from collections they do not own. Version 5.5.3 #59 fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.6%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-28354
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cpe:2.3:a:oxygenz:clipbucket:5.3
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cpe:2.3:a:oxygenz:clipbucket:5.3.1
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cpe:2.3:a:oxygenz:clipbucket:5.4.0
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cpe:2.3:a:oxygenz:clipbucket:5.4.1
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cpe:2.3:a:oxygenz:clipbucket:5.5.0
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cpe:2.3:a:oxygenz:clipbucket:5.5.1
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cpe:2.3:a:oxygenz:clipbucket:5.5.1-141
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cpe:2.3:a:oxygenz:clipbucket:5.5.1-200
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cpe:2.3:a:oxygenz:clipbucket:5.5.1-237
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cpe:2.3:a:oxygenz:clipbucket:5.5.1-238
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cpe:2.3:a:oxygenz:clipbucket:5.5.1-239
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-103
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-106
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-114
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-117
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-120
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-123
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-129
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-133
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-135
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-138
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-140
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-141
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-142
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-145
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-146
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-147
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-152
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-156
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-157
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-162
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-163
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-164
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-74
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-82
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-86
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-90
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cpe:2.3:a:oxygenz:clipbucket:5.5.2-98
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cpe:2.3:a:oxygenz:clipbucket:5.5.3-10
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cpe:2.3:a:oxygenz:clipbucket:5.5.3-46