XSS in Incsub Hummingbird

CVE-2022-0994

The Hummingbird WordPress plugin before 3.3.2 does not sanitise and escape the Config Name, which could allow high privilege users, such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.028 (85.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% 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-2022-0994: held from 0.028 to 0.028.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: +0.000

Affected products

  • Incsub Hummingbird
  • Hummingbird – Optimize Speed, Enable Cache, Minify CSS & Defer Critical Js — versions 3.3.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-0994?
CVE-2022-0994 is a medium-severity vulnerability in Incsub Hummingbird, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-04-18.
How severe is CVE-2022-0994?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2022-0994 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.