What is the severity of CVE-2020-27511?

CVE-2020-27511 has been classified as a medium severity vulnerability.

How do I fix CVE-2020-27511?

To fix CVE-2020-27511, upgrade the Prototype JavaScript Framework to a version beyond 1.7.3.

What is the impact of exploiting CVE-2020-27511?

Exploiting CVE-2020-27511 can lead to a Regular Expression Denial of Service (ReDOS), potentially degrading application performance.

Is my application at risk if it uses Prototype 1.7.3 regarding CVE-2020-27511?

Yes, if your application uses Prototype 1.7.3, it is at risk due to the vulnerability found in stripTags and unescapeHTML components.

What components are affected by CVE-2020-27511?

CVE-2020-27511 affects the stripTags and unescapeHTML components of the Prototype JavaScript Framework.

Vulnerability/
CVE-2020-27511

high

7.5

21/6/2021

4/8/2024

CVE-2020-27511

First published: Mon Jun 21 2021(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Prototype JavaScript Framework	=1.7.3

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2020-27511?
CVE-2020-27511 has been classified as a medium severity vulnerability.
How do I fix CVE-2020-27511?
To fix CVE-2020-27511, upgrade the Prototype JavaScript Framework to a version beyond 1.7.3.
What is the impact of exploiting CVE-2020-27511?
Exploiting CVE-2020-27511 can lead to a Regular Expression Denial of Service (ReDOS), potentially degrading application performance.
Is my application at risk if it uses Prototype 1.7.3 regarding CVE-2020-27511?
Yes, if your application uses Prototype 1.7.3, it is at risk due to the vulnerability found in stripTags and unescapeHTML components.
What components are affected by CVE-2020-27511?
CVE-2020-27511 affects the stripTags and unescapeHTML components of the Prototype JavaScript Framework.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/references
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/prototypejs
canonical/prototype javascript framework
version/prototype javascript framework/1.7.3

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Frequently Asked Questions

What is the severity of CVE-2020-27511?
CVE-2020-27511 has been classified as a medium severity vulnerability.
How do I fix CVE-2020-27511?
To fix CVE-2020-27511, upgrade the Prototype JavaScript Framework to a version beyond 1.7.3.
What is the impact of exploiting CVE-2020-27511?
Exploiting CVE-2020-27511 can lead to a Regular Expression Denial of Service (ReDOS), potentially degrading application performance.
Is my application at risk if it uses Prototype 1.7.3 regarding CVE-2020-27511?
Yes, if your application uses Prototype 1.7.3, it is at risk due to the vulnerability found in stripTags and unescapeHTML components.
What components are affected by CVE-2020-27511?
CVE-2020-27511 affects the stripTags and unescapeHTML components of the Prototype JavaScript Framework.