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Fencer Vulns
medium 6.1

CVE-2024-5848 json

Reflected Cross-Site Scripting (XSS) in Multiple WSO2 Products Due to Improper Input Validation

published 2025-02-27 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-5121

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

A reflected cross-site scripting (XSS) vulnerability exists in multiple WSO2 products due to improper input validation. User-supplied data is directly included in server responses from vulnerable service endpoints without proper sanitization or encoding, allowing an attacker to inject malicious JavaScript.

Successful exploitation could lead to UI manipulation, redirection to malicious websites, or data exfiltration from the browser. While session-related sensitive cookies are protected with the httpOnly flag, mitigating session hijacking risks, the impact may vary depending on gateway-level service restrictions.

Patch / fix

  • WSO2 WSO2 API Manager 3.1.0.285, 3.2.0.375, 3.2.1.10, 4.0.0.300, 4.1.0.160, 4.2.0.92, 4.3.0.10
  • WSO2 WSO2 Open Banking AM 2.0.0.349

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • WSO2 WSO2 API Manager
  • WSO2 WSO2 Open Banking AM

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.