CVE-2026-107800 banq CVE debrief

Who should care

Defenders responsible for Jivejdon deployments, particularly those using versions up to 5.0, should assess exposure and verify the effectiveness of current security controls. This includes reviewing system configurations, ensuring proper input validation and output encoding are in place, and implementing additional security measures such as Content Security Policy (CSP) to mitigate XSS attacks. Security teams should also prioritize verifying exposure and

Why it matters

CVE-2026-107800 is a stored cross-site scripting vulnerability in Jivejdon through version 5.0, allowing authenticated attackers to inject script into private short messages. Defenders should prioritize verifying exposure and assessing the effectiveness of current security controls.

• Potential code execution in the recipient's browser when a crafted short message is opened.
• Ability of authenticated attackers to inject script into private short messages.
• Possible impact on the confidentiality and integrity of private short messages.

Technical summary

The vulnerability exists in Jivejdon through version 5.0, where the receiveshortmessage.jsp page renders unfiltered message bodies, allowing attackers to inject script and execute code in the recipient's browser. This occurs because ToolsUtil.convertURL() passes through message content unchanged. The issue enables authenticated attackers to send short messages containing script, which can be executed when opened by the recipient. Defenders should assess the impact of this vulnerability on their deployments and verify the effectiveness of current security controls.

Defensive priority

Defenders should prioritize verifying exposure of Jivejdon versions up to 5.0 and assess the effectiveness of current input validation and output encoding controls.

Recommended defensive actions

• Verify Jivejdon versions up to 5.0 are not in use or are properly patched.
• Assess the effectiveness of current input validation and output encoding controls for private short messages.
• Implement additional security measures, such as Content Security Policy (CSP), to mitigate XSS attacks.
• 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.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE Program record and NVD vulnerability detail provide official information about the vulnerability. Supplemental sources include GitHub issue tracking, product pages, and technical descriptions.

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.