XSS in Cybernetikz Easy Social Icons

CVE-2021-39322

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.023 (83.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-39322: held from 0.023 to 0.023.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39322?
CVE-2021-39322 is a medium-severity vulnerability in Cybernetikz Easy Social Icons, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-02.
How severe is CVE-2021-39322?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-39322 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.