CVE-2024-25293: mjml-app · Code Injection
Affects mjml-appSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 12:54 UTC
- EPSS
- 0.9% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 1 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
npmmjml-apppkg:npm/mjml-appOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Immediately audit all systems to identify instances of mjml-app versions 3.0.4 and 3.1.0-beta in use.
- Restrict local access to systems running vulnerable mjml-app versions to trusted personnel only, minimizing the attack surface.
- Implement application-level input validation and sanitization for href attributes to prevent malicious code injection.
- Monitor system logs and network traffic for unusual activity indicative of exploitation attempts, such as unexpected code execution or process spawning.
- Employ host-based intrusion detection systems (HIDS) to detect anomalous behavior on affected hosts.
- Segregate vulnerable systems within network segments with strict access controls to limit potential lateral movement.
- Coordinate with mjml-app maintainers or vendors for timely patch releases and apply updates as soon as they become available.
- Consider temporary disabling or replacing mjml-app functionality if feasible until patches are deployed.
- Educate developers and administrators about secure coding practices related to URL handling and code injection prevention.
- Conduct penetration testing focused on href attribute exploitation to validate the effectiveness of mitigations.
Description
mjml-app versions 3.0.4 and 3.1.0-beta were discovered to contain a remote code execution (RCE) via the href attribute.