Description
MRBS before 1.13.0 contains a CSV formula injection vulnerability that allows authenticated users to inject spreadsheet formulas because the escape() function in web/report.php fails to neutralize leading formula characters. Attackers can store formulas in booking names, descriptions or custom fields that execute when privileged users open exported CSV reports, enabling data exfiltration or command execution via DDE.
Published: 2026-11-13
Score: 5.1 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Fri, 13 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description MRBS before 1.13.0 contains a CSV formula injection vulnerability that allows authenticated users to inject spreadsheet formulas because the escape() function in web/report.php fails to neutralize leading formula characters. Attackers can store formulas in booking names, descriptions or custom fields that execute when privileged users open exported CSV reports, enabling data exfiltration or command execution via DDE.
Title MRBS before 1.13.0 CSV Formula Injection via Report Export
Weaknesses CWE-1236
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T16:23:35.501Z

Reserved: 2026-11-13T16:01:04.407Z

Link: CVE-2026-129133

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses