Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2024-13919 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Laravel Framework. Its CVSS base score is 8.0 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Protocol or Service Impersonation (T1001.003); ranked at the 44th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2024-13919 is a reflected cross-site scripting (XSS) vulnerability affecting the Laravel framework in versions 11.9.0 through 11.35.1. The issue stems from improper encoding of route parameters when displayed on the debug-mode error page, allowing malicious scripts to be injected and executed. It carries a CVSS v3.1 base score of 8.0 (AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N) and maps to CWE-79.
An unauthenticated remote attacker can exploit this vulnerability by tricking a user into accessing a specially crafted URL that triggers an error page in debug mode. The unencoded route parameter reflects the attacker's payload, enabling script execution in the victim's browser context with high confidentiality and integrity impacts, such as session hijacking or data theft, though it requires user interaction and high attack complexity.
Mitigation involves upgrading to Laravel framework version 11.36.0 or later, where the fix is implemented via pull request #53869 on GitHub. Further details on the vulnerability and remediation are provided in the SBA advisory at sbaresearch GitHub and the oss-security mailing list announcement.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-54197
Vulnerability Data
The Laravel framework versions between 11.9.0 and 11.35.1 are susceptible to reflected cross-site scripting due to an improper encoding of route parameters in the debug-mode error page.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.1.2V1.3.2
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover missing or incorrect input neutralization through targeted web-application tests.
Input validation directly enforces neutralization of untrusted data before it reaches web output generation.
Output filtering can catch or sanitize unneutralized script content before it is served to users.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly target introduction of XSS via coding standards/testing (mostly), yet the single broad outcome leaves many specific neutralization vectors unaddressed (partial).
Patching and EOL replacement can remediate known XSS instances in libraries or frameworks (partial) but do nothing to enforce input neutralization in application code (none).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
A.5.6 only promotes membership in groups to improve knowledge, receive alerts, and share information; it performs no action that stops XSS exploitation (or even the underlying neutralization defect) and is a pure dependency for other controls per the owner's labeling rule.