WHOIS Domain Check: Cross-site scripting
WHOIS Domain Check is affected by cross-site scripting. Exploitation requires an authenticated WordPress account. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is 0.9.31.
- Component
- WHOIS Domain Check
- Plugin slug
powies-whois- Affected
- 0.9.31
- Safe version
- See mitigation notes
- Published
- May 13, 2026
This CVE was published May 13, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update WHOIS Domain Check to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Powie's WHOIS Domain Check 0.9.31 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject arbitrary JavaScript by exploiting unsanitized input fields in plugin settings. Attackers can submit malicious payloads through textarea and input elements in the pwhois_settings.php configuration page to execute JavaScript in the admin context and escalate privileges.
CVE / CNA vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X