CVE-2020-27511

PoC ×2—

CVSS 3.1

7.5 high

EPSS

3%p84

Published

Jun 21, 2021 (Jun 21, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in the stripTags and unescapeHTML components in Prototype 1.7.3 where an attacker can cause a Regular Expression Denial of Service (ReDOS) through stripping crafted HTML tags.

Vendors: prototypejs
Products: prototype
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.5%)

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