CVE-2026-63105 Razinsoft CVE debrief

Who should care

Defenders responsible for ReadyEcommerce installations, especially those exposed to customer interactions, should assess their exposure and prioritize patching or mitigating this vulnerability.

Why it matters

CVE-2026-63105 is a stored XSS vulnerability in ReadyEcommerce that allows authenticated customers to inject malicious HTML payloads. Defenders should prioritize patching or mitigating this vulnerability, especially for systems exposed to customer interactions, as it can lead to session cookie theft and account takeover.

• Session cookie theft and account takeover
• Arbitrary JavaScript execution in the browser
• Potential for phishing or further exploitation
• Verification of customer interaction exposure

Technical summary

The vulnerability exists in the chat and support ticket messaging systems of ReadyEcommerce before version 4.5.2. Authenticated customers can inject malicious HTML payloads, which are rendered unsanitized via the v-html directive in Messages.vue, RightChatSidebar.vue, SupportTicketMessages.vue, and SupportTicketDetails.vue. This allows attackers to execute arbitrary JavaScript in the browser of any shop owner or administrator who views the message.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability, especially for systems exposed to customer interactions.

Recommended defensive actions

• Patch ReadyEcommerce to version 4.5.2 or later
• Implement input validation and output encoding for customer-submitted content
• Monitor for suspicious activity in chat and support ticket systems
• Educate administrators and shop owners on the risks of clicking on suspicious links or viewing untrusted messages
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details about the vulnerability in ReadyEcommerce before version 4.5.2, which allows authenticated customers to inject malicious HTML payloads through chat and support ticket messaging systems. Defenders should verify exposure, especially for systems with customer interactions, and assess the need for patching or mitigation. Additional information from vendor sources may be necessary for comprehensive risk assessment, including verification of affected scope and severity.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.