What is the CVSS score of CVE-2021-36884?

CVE-2021-36884 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: 0.6%.

Is there a patch available for CVE-2021-36884?

Yes, a patch is available for CVE-2021-36884. Update the affected software to the latest version immediately.

Backup Migration CVE-2021-36884

MEDIUM

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

2021-11-19 audit@patchstack.com

WordPress XSS Backup Migration

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

Nov 19, 2021 - 19:15 nvd

MEDIUM 5.4

DescriptionNVD

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions.

AnalysisAI

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.

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. Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions. Affected products include: Backupbliss Backup Migration.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.