What is the CVSS score of CVE-2018-19902?

CVE-2018-19902 has a CVSS 3.0 base score of 4.8 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2018-19902?

Yes, a public proof-of-concept exploit is available for CVE-2018-19902. Prioritise patching immediately. EPSS: 0.6%.

No Cms CVE-2018-19902

MEDIUM

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

2018-12-31 cve@mitre.org

XSS No Cms

4.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Dec 31, 2018 - 15:29 nvd

MEDIUM 4.8

DescriptionNVD

No-CMS 1.1.3 is prone to Persistent XSS via the blog/manage_article "keyword" parameter.

AnalysisAI

No-CMS 1.1.3 is prone to Persistent XSS via the blog/manage_article "keyword" parameter. Rated medium severity (CVSS 4.8), 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. No-CMS 1.1.3 is prone to Persistent XSS via the blog/manage_article "keyword" parameter. Affected products include: No-Cms Project No-Cms.

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.