What is the CVSS score of CVE-2022-0503?

CVE-2022-0503 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: 0.8%.

Is there a public PoC exploit available for CVE-2022-0503?

Yes, a public proof-of-concept exploit is available for CVE-2022-0503. Prioritise patching immediately. EPSS: 0.8%.

Multisite Content Copier Updater CVE-2022-0503

MEDIUM

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

2022-03-14 contact@wpscan.com

XSS WordPress Multisite Content Copier Updater

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

Mar 14, 2022 - 15:15 nvd

MEDIUM 6.1

DescriptionNVD

AnalysisAI

The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.2 does not sanitise and escape the s parameter before outputting it back in an attribute, leading to a Reflected Cross-Site. 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. The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.2 does not sanitise and escape the s parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in the network dashboard Affected products include: Obtaininfotech Multisite Content Copier\/Updater. Version information: before 2.1.2.

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.