What’s Vulnerable › Vulnerabilities

CVE-2023-26102

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-24 · updated 2026-06-17
• Weakness: CWE-1321

Description

All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype

Affected products

• rangy: all versions

References

• https://github.com/timdown/rangy/issues/478
• https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702
• https://github.com/timdown/rangy/issues/478
• https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702

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