What is CVE-2026-48157?

CVE-2026-48157 is a medium-severity vulnerability in Slimphp Slim, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-15.

How severe is CVE-2026-48157?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Slimphp Slim

CVE-2026-48157

Slim is a PHP micro framework that enables users to write simple web applications and APIs. In versions 4.4.0 through 4.15, if an application uses HttpException::setTitle() and/or setDescription() to include untrusted/request-derived data…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Slimphp Slim — versions >= 4.4.0, < 4.15.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-48157?: CVE-2026-48157 is a medium-severity vulnerability in Slimphp Slim, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-15.
How severe is CVE-2026-48157?: Medium severity. CVSS v3 base score is 6.1 out of 10.