What is CVE-2020-27511?

CVE-2020-27511 is a high-severity vulnerability in Prototypejs Prototype. CVSS score: 7.5/10. Published 2021-06-21.

How severe is CVE-2020-27511?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Prototypejs Prototype

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.

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Prototypejs Prototype — versions 1.7.3
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27511?: CVE-2020-27511 is a high-severity vulnerability in Prototypejs Prototype. CVSS score: 7.5/10. Published 2021-06-21.
How severe is CVE-2020-27511?: High severity. CVSS v3 base score is 7.5 out of 10.