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Lookspan HTML audit report vulnerability found despite correct XSS escaping

A security researcher discovered a vulnerability in Lookspan's HTML audit report generation process. While initial tests for cross-site scripting (XSS) vulnerabilities were unsuccessful due to proper escaping, further investigation revealed that the report was not rendering all relevant data columns. This oversight meant that sensitive information might not have been fully displayed or protected, despite the core escaping mechanisms being sound. AI

IMPACT Potential data leakage or misrepresentation in AI observability tools.

RANK_REASON Security vulnerability discovered in a specific product's reporting feature.

Read on Mastodon — sigmoid.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Lookspan HTML audit report vulnerability found despite correct XSS escaping

COVERAGE [1]

  1. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    Lookspan's HTML audit report is a file that leaves your machine — downloaded, archived, opened later by someone who wasn't there. So I attacked it with five XSS

    Lookspan's HTML audit report is a file that leaves your machine — downloaded, archived, opened later by someone who wasn't there. So I attacked it with five XSS payloads and opened the result in a browser. Nothing executed. The escaping is correct. Then I went to widen the test t…