Case study: Django FilteredRelation SQLi (CVE-2025-57833).md

[Manvith03]

References issue: #19
I license this submission under CC-BY-4.0.

This case study covers CVE-2025-57833 (potential SQL injection via FilteredRelation alias keys in Django 4.2/5.1/5.2). It explains the vulnerable path in Query.add_filtered_relation, shows a minimal pre-fix snippet, maps to CWE-89 and CAPEC-66, summarizes the fix (alias validation), and gives concrete prevention steps for identifier validation, safe API design, static checks, and tests.

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Automated Analysis Results of This Use Case

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Items are prioritized from Informative, Low, Medium, to High in terms of current importance to the project.

Analyzing Presence of Markdown

Markdown detected in the document.

Parser Issues

The following issues were encountered by the parser used to analyze this file. This might explain potential errors and false positives in the subsequent analysis.

• [Info] Inferring that line 1 contains the title

Section Analysis

• [Med] Unexpected/non-standard section name: 'Generic example' (this may break analysis)
• [Med] Unexpected/non-standard section name: 'CVE-2025-57833 — SQL injection in Django FilteredRelation column aliases' (this may break analysis)
• [Med] Unexpected/non-standard section name: 'CAPEC-66: SQL Injection' (this may break analysis)
• [Med] Unexpected/non-standard section name: 'after the security fix' (this may break analysis)
• [Med] Unexpected/non-standard section name: 'Fix references' (this may break analysis)
• [Info] 0 major section-name issues detected.
• [Med] Section 'Introduction' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Software' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Weakness' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Vulnerability' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Exploit' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Fix' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Prevention' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Conclusion' is expected to have 3 hash marks, but it has 2
• [Med] Section 'References' is expected to have 3 hash marks, but it has 2
• [Med] Section 'Contributions' is expected to have 3 hash marks, but it has 2

Analyzing Title Section

Note: the analysis may be incorrect depending on how
you provided the title. This an issue with the analyzer.

Inferred/Extracted Title begins with text: 'SQL Injection in Django `FilteredRelation` Aliases...'

• [Low] Title does not contain only capital letters
• [Med] Title contains more than 8 words (longer than the recommended 4 to 6)

Analyzing Introduction Section

No issues found.

Analyzing Software Section

No issues found.

Analyzing Weakness Section

No issues found.

Analyzing Vulnerability Section

• [High] Vulnerability section does not appear to contain a CVE-YYYY-NNNN
• [Med] Vulnerability section does not appear to contain a 'vulnerable file:' label
• [Med] No apparent source code ``` tags in Vulnerability section

Analyzing Fix Section

• [Med] Fix section does not appear to contain a 'fixed file:' label

Analyzing References Section

No issues found.