prowler-cloud Prowler up to 5.36.x HTML output formatter html.py parse_html_string resource_tags HTML injection

Summaryinfo

A vulnerability has been found in prowler-cloud Prowler up to 5.36.x and classified as problematic. This impacts the function parse_html_string of the file prowler/lib/outputs/html/html.py of the component HTML output formatter. This manipulation of the argument resource_tags causes HTML injection. This vulnerability is registered as CVE-2026-73262. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in prowler-cloud Prowler up to 5.36.x. Affected by this vulnerability is the function parse_html_string of the file prowler/lib/outputs/html/html.py of the component HTML output formatter. The manipulation of the argument resource_tags with an unknown input leads to a html injection vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Prowler is a cloud security platform. Prior to 5.37.0, Prowler's HTML output formatter in prowler/lib/outputs/html/html.py inserted finding.resource_tags, assembled by unroll_dict and parse_html_string, into generated reports without HTML escaping, allowing a cloud principal who can modify a scanned resource tag to store HTML or JavaScript that executes when another user opens the report. This issue is fixed in version 5.37.0.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-73262 since 08/11/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 5.37.0 eliminates this vulnerability.

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Productinfo

Type

• Cloud Software

Vendor

• prowler-cloud

Name

• Prowler

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18
• 5.19
• 5.20
• 5.21
• 5.22
• 5.23
• 5.24
• 5.25
• 5.26
• 5.27
• 5.28
• 5.29
• 5.30
• 5.31
• 5.32
• 5.33
• 5.34
• 5.35
• 5.36

Website

• Product: https://github.com/prowler-cloud/prowler/

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