What is the CVSS score of CVE-2022-28920?

CVE-2022-28920 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/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-2022-28920?

Yes, a public proof-of-concept exploit is available for CVE-2022-28920. Prioritise patching immediately. EPSS: 0.6%.

Tieba Cloud Sign CVE-2022-28920

MEDIUM

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

2022-05-12 cve@mitre.org

XSS Tieba Cloud Sign

4.8

CVSS 3.1 · 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:3.1/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

May 12, 2022 - 16:15 nvd

MEDIUM 4.8

DescriptionNVD

Tieba-Cloud-Sign v4.9 was discovered to contain a cross-site scripting (XSS) vulnerability via the function strip_tags.

AnalysisAI

Tieba-Cloud-Sign v4.9 was discovered to contain a cross-site scripting (XSS) vulnerability via the function strip_tags. 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. Tieba-Cloud-Sign v4.9 was discovered to contain a cross-site scripting (XSS) vulnerability via the function strip_tags. Affected products include: Moecraft Tieba-Cloud-Sign.

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.