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CVE-2025-27406: Icinga Reporting Stored XSS leads to SSRF

• Severity: high (CVSS 7.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-26 · updated 2026-06-17
• Weakness: CWE-79

Description

Icinga Reporting is the central component for reporting related functionality in the monitoring web frontend and framework Icinga Web 2. A vulnerability present in versions 0.10.0 through 1.0.2 allows to set up a template that allows to embed arbitrary Javascript. This enables the attacker to act on behalf of the user, if the template is being previewed; and act on behalf of the headless browser, if a report using the template is printed to PDF. This issue has been resolved in version 1.0.3 of Icinga Reporting. As a workaround, review all templates and remove suspicious settings.

Affected products

• icingaweb2-module-reporting: from 0.10.0, < 1.0.3

References

• https://github.com/Icinga/icingaweb2-module-reporting/releases/tag/v1.0.3
• https://github.com/Icinga/icingaweb2-module-reporting/security/advisories/GHSA-7qvq-54vm-r7hx

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