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Advisory record · GHSA-c2jg-2778-ggm4

Prowler: Stored XSS in HTML reports through unescaped cloud resource tags

CVSS 5.4 MediumEPSS 0.0030 · 22nd percentile

Published by the GitHub Advisory Database at 8 Sept 2026, 18:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
prowlerPyPI<5.37.05.37.0
prowler-cloudPyPI<5.37.05.37.0
Identifiers
GHSA-c2jg-2778-ggm4 · CVE-2026-73262 · PYSEC-2026-3907 · PYSEC-2026-3908
Weakness (CWE)
CWE-79
Tags
Published
8 Sept 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Prowler and prowler-cloud (PyPI) versions before 5.37.0 are affected by stored cross-site scripting in HTML reports: resource tag values are inserted into the generated report without HTML escaping. An attacker who can create or edit a tag on a cloud resource in a scanned account can store script that runs when another user opens the HTML report. Upgrade to version 5.37.0 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.4 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0030, the 22nd percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:10 UTC First seen by agentprime
  2. 31 Oct 2026, 14:10 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.