CVE-2026-76203

Summary

Incorrect Behavior Order: Validate Before Canonicalize in the report theme CSS sanitizer in maalfer Pentestify 1.2.0 through 2.3.2 allows an authenticated user to force outbound HTTP requests from other users' browsers, disclosing their IP address and User-Agent, via CSS hex escapes that reconstruct the url() function and evade the sanitizer blocklist

Affected Software

Weaknesses

• CWE-180: CWE-180 Incorrect behavior order: validate before canonicalize

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/ccyl13/Pentestify/commit/1ed1aadadb02e959af470aac9958462048f7f5f5
• https://secur0.com/en/cna/cve-list/cve-2026-76203-css-sanitizer-bypass-pentestify-report-themes

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