Vulnerability Details CVE-2020-27511
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 78.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://prototypejs.org/
- https://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283
- https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.md
- http://prototypejs.org/
- https://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283
- https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.md
Products affected by CVE-2020-27511
-
cpe:2.3:a:prototypejs:prototype:1.7.3