What is CVE-2022-28222?

CVE-2022-28222 is a medium-severity vulnerability in Cleantalk Antispam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-19.

How severe is CVE-2022-28222?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-28222 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Cleantalk Antispam

CVE-2022-28222

The CleanTalk AntiSpam plugin <= 5.173 for WordPress is vulnerable to Reflected Cross-Site Scripting (XSS) via the $_REQUEST['page'] parameter in`/lib/Cleantalk/ApbctWP/FindSpam/ListTable/Users.php`

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-19 · last modified 2026-06-17.

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: 0.029 (86.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: +0.000

Affected products

Cleantalk Antispam
Cleantalk Antispam — versions 5.173

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.wordfence.com/blog/2022/03/reflected-xss-in-spam-protection-antispam-firewa… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28222?: CVE-2022-28222 is a medium-severity vulnerability in Cleantalk Antispam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-19.
How severe is CVE-2022-28222?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-28222 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.