WP System Log < 1.0.21 - Unauthenticated Stored Cross-Site Scripting
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The WP System Log WordPress plugin before 1.0.21 does not sanitise, validate and escape the IP address retrieved from login requests before outputting them in the admin dashboard, which could allow unauthenticated attacker to perform Cross-Site Scripting attacks against admins viewing the logs.
Why it matters now
EPSS 0.01343 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed WP System Log (Unknown): 1.0.21
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WP System Log | 1.0.21 to before 1.0.21 | 1.0.21 | Patch available | CNA |
- WP System Log VendorUnknown Affected 1.0.21 to before 1.0.21 Fixed in 1.0.21 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wp_system_log_project:wp_system_log:*:*:*:*:*:wordpress:*:* | before 1.0.21 | Vulnerable | Wp System Log Project |
- cpe:2.3:a:wp_system_log_project:wp_system_log:*:*:*:*:*:wordpress:*:* Versions before 1.0.21 Vulnerable ·Wp System Log Project
Remediation
- Fix · CNA WP System Log (Unknown) Fixed in 1.0.21
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24756
- 2026-10-03 Alias added: GHSA-x547-6pg3-h56r
References
Sources
- CVE-2021-24756 · CVE Program
- CVE-2021-24756 · NVD
- FIRST EPSS
- GHSA-x547-6pg3-h56r · GitHub Advisory Database · CC BY 4.0
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