Vulnerability · Published Sep 13, 2026 · Assigned by mitre
CVE-2025-63842
Medium 5.4
In plain English
A medium-severity cross-site scripting in web backend from Repetico. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A Cross-Site Scripting (XSS) vulnerability in the web backend for the Repetico app 1.9.7.31 for Android allows a remote authenticated user to execute arbitrary JavaScript code in the app's context via crafted input in the multiple-choice question text field.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Repetico | web backend | 0 – through 2026-06-30 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N