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CVE-2024-30372: Allegra getLinkText Server-Side Template Injection Remote Code Execution Vulnerability

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-22 · updated 2026-06-17
• Weakness: CWE-1336

Description

Allegra getLinkText Server-Side Template Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of getLinkText method. The issue results from the lack of proper validation of a user-supplied string before processing it with the template engine. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-23609.

Affected products

• Allegra: before 7.5.1 — fixed in 7.5.1

How to fix

Upgrade to a fixed version: Allegra 7.5.1. Check the vendor advisory for mitigations.

References

• https://alltena.com/en/resources/release-notes/relnotes-7-5-2
• https://www.zerodayinitiative.com/advisories/ZDI-24-1165/

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