What is the CVSS score of CVE-2020-35275?

CVE-2020-35275 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2020-35275?

Yes, a public proof-of-concept exploit is available for CVE-2020-35275. Prioritise patching immediately. EPSS: 1.0%.

Coastercms CVE-2020-35275

MEDIUM

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

2020-12-21 cve@mitre.org

XSS Coastercms

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Dec 21, 2020 - 15:15 nvd

MEDIUM 5.4

DescriptionNVD

Coastercms v5.8.18 is affected by cross-site Scripting (XSS). A user can steal a cookie and make the user redirect to any malicious website because it is trigged on the main home page of the product/application.

AnalysisAI

Coastercms v5.8.18 is affected by cross-site Scripting (XSS). Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, 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. Coastercms v5.8.18 is affected by cross-site Scripting (XSS). A user can steal a cookie and make the user redirect to any malicious website because it is trigged on the main home page of the product/application. Affected products include: Coastercms.

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.