CVE-2024-29271 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in vvvebjs. A fix is available for vvvebjs — see the affected versions and patch details below.
VvvebJs Reflected Cross-Site Scripting (XSS) vulnerability
Exploitation Status
No confirmed exploitation observed yet
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2024-29271.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.
vvvebjsnpmDescription
A reflected Cross-Site Scripting (XSS) vulnerability in VvvebJs before version 1.7.5 allows remote attackers to execute arbitrary code and obtain sensitive information via the action parameter in save.php.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | vvvebjs | all versions | 1.7.5npm install vvvebjs@1.7.5 |
Affected Products
vvvebjsvvvebDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for vvvebjs, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update vvvebjs to 1.7.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-29271 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is CVE-2024-29271 in your dependencies?
Find it across npm, including transitive dependencies.