What it is
CVE-2022-28221 is an unauthenticated CleanTalk AntiSpam <= 5.173 Reflected XSS. The CleanTalk AntiSpam plugin <= 5.173 for WordPress is vulnerable to Reflected Cross-Site Scripting (XSS) via the $_REQUEST['page']...
Vulnerability report
Exploited in the wild
High confidence
Not in CISA KEV
CVE-2022-28221
CleanTalk AntiSpam <= 5.173 Reflected XSS
CleanTalk / CleanTalk AntiSpam · 5.173 to <= 5.173
- Severity
- CVSS 6.1 · Medium
- Confidence
- High
- Exploit status
- Exploited in the wild
- EPSS
- 2.4%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.
Who is affected?
CleanTalk / CleanTalk AntiSpam 5.173 to <= 5.173.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
CleanTalk AntiSpam <= 5.173 Reflected XSS
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/Comments.php`
Vendor
Product
Affected
Status
CleanTalk
CleanTalk AntiSpam
Through 5.173
Affected
- Published
- 19 Apr 2022
- Exploitation Reported
- 30 Mar 2022
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
Tags
wordpress
php
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-28221
- wordfence.com/blog/2022/03/reflected-xss-in-spam-protectio... wordfence.com · CVE Record https://www.wordfence.com/blog/2022/03/reflected-xss-in-spam-protecti...
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
Wordfence
Independent exploitation attestation added to the KEV Intelligence record.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| Wordfence First | 2022-03-30 06:11 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
No scanner integrations recorded yet.
Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
6.1
Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
2.4%
All CVSS Scores
CVSS v3.1
6.1
Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0
4.3
Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N
Timeline
From disclosure to observed exploitation
-
CVE published
Vulnerability disclosed publicly
-
Added to KEV Intelligence KEV Feed
High-confidence, third-party attested exploitation
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2022-28221
Free JSON includes basic KEV fields{
"cve_id": "CVE-2022-28221",
"confidence": "High",
"cvss_score": 6.1,
"cvss_estimated": false,
"epss_score": 0.02359,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
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