What is CVE-2026-58500?

CVE-2026-58500 is a high-severity vulnerability in Appium Appium-mcp, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-07-13.

How severe is CVE-2026-58500?

High severity. CVSS v3 base score is 8.2 out of 10.

XSS in Appium Appium-mcp

CVE-2026-58500

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes —…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N.

Affected products

Appium Appium-mcp — versions < 1.85.10

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-2026-58500?: CVE-2026-58500 is a high-severity vulnerability in Appium Appium-mcp, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-07-13.
How severe is CVE-2026-58500?: High severity. CVSS v3 base score is 8.2 out of 10.