What is the CVSS score of CVE-2021-23411?

CVE-2021-23411 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2021-23411?

Yes, a public proof-of-concept exploit is available for CVE-2021-23411. Prioritise patching immediately. EPSS: 1.2%.

Anchorme CVE-2021-23411

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-07-21 report@snyk.io

XSS Anchorme

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jul 21, 2021 - 15:15 nvd

MEDIUM 6.1

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

50 npm packages depend on anchorme (37 direct, 13 indirect)

Ecosystem-wide dependent count for version 2.1.2.

DescriptionNVD

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the main functionality. It accepts input that can result in the output (an anchor a tag) containing undesirable Javascript code that can be executed upon user interaction.

AnalysisAI

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the main functionality. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the main functionality. It accepts input that can result in the output (an anchor a tag) containing undesirable Javascript code that can be executed upon user interaction. Affected products include: Anchorme Project Anchorme.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.