CVE-2023-28121
High PUBLISHEDAn issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.
- CVE Published
- Apr 12, 2023
- Exploitation Reported
- Jul 17, 2023
- CVSS
- 9.8 Critical
- EPSS
- 93.5%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
WooCommerce Payments WordPress Plugin
|
Fixed version 5.6.2 |
Affected |
CVE References
- developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-i... developer.woocommerce.com · CVE Record https://developer.woocommerce.com/2023/03/23/critical-vulnerability-d...
- rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-comp... rcesecurity.com · CVE Record https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-c...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| Wordfence First | 2023-07-17 10:27 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-28121.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Proof of concept available
Recorded 2023-03-30 23:50:39 UTC · GitHub
Weaknesses (CWE)
-
Improper Authentication
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-28121.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2023-11-03 01:19:09 UTC · 1 stars
Wordpress CVE-2023-28121
github · Created 2023-07-12 02:41:26 UTC · 11 stars
CVE-2023-28121 - WooCommerce Payments < 5.6.2 - Unauthenticated Privilege Escalation [ Mass Add Admin User ]
github · Created 2023-03-30 23:50:39 UTC · 38 stars
WooCommerce Payments: Unauthorized Admin Access Exploit
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
10:27 UTC about 3 years ago10:27 UTC · about 3 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC over 3 years ago00:00 UTC · over 3 years ago
CVE published
Vulnerability disclosed publicly
-
23:50 UTC over 3 years ago23:50 UTC · over 3 years ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 3 years ago00:00 UTC · over 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-28121
{
"cve_id": "CVE-2023-28121",
"title": "An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and low...",
"affected_vendor": "WooCommerce",
"affected_product": "WooCommerce Payments",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.8,
"epss_score": 0.93462,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}