CVE-2020-27511 - Vulnerability Details - OpenCVE

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.

Published: 2021-06-21

Score: 7.5 High

EPSS: 1.2% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:prototypejs:prototype:1.7.3:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-20021	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01193.

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Prototypejs Prototype

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-21T19:22:37.000Z

Updated: 2024-08-04T16:18:44.313Z

Reserved: 2020-10-21T00:00:00.000Z

Link: CVE-2020-27511

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-21T20:15:08.160

Modified: 2024-11-21T05:21:18.047

Link: CVE-2020-27511

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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