What is the CVSS score of CVE-2021-39322?

CVE-2021-39322 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: 2.4%.

Is there a public PoC exploit available for CVE-2021-39322?

Yes, a public proof-of-concept exploit is available for CVE-2021-39322. Prioritise patching immediately. EPSS: 2.4%.

Easy Social Icons CVE-2021-39322

MEDIUM

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

2021-09-02 security@wordfence.com

WordPress Apache XSS Easy Social Icons

6.1

CVSS 3.1 · Vendor: wordfence

Severity by source

Vendor (wordfence) PRIMARY

6.1 MEDIUM

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

Primary rating from Vendor (wordfence) · only source for this CVE.

CVSS VectorVendor: wordfence

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

Sep 02, 2021 - 17:15 cve.org

MEDIUM 6.1

DescriptionCVE.org

The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of $_SERVER['PHP_SELF'] in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected Cross-Site Scripting attack by injecting malicious code in the request path.

AnalysisAI

The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of $_SERVER['PHP_SELF'] in its main file. 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 Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of $_SERVER['PHP_SELF'] in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected Cross-Site Scripting attack by injecting malicious code in the request path. Affected products include: Cybernetikz Easy Social Icons.

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.