CVE-2023-39938 — Reflected cross-site scripting vulnerability in VI Web Client prior to 7

Reflected cross-site scripting vulnerability in VI Web Client prior to 7.9.6 allows a remote unauthenticated attacker to inject an arbitrary script.

01What is this vulnerability?

Reflected cross-site scripting vulnerability in VI Web Client prior to 7.9.6 allows a remote unauthenticated attacker to inject an arbitrary script.

02Affected products

Vendor	Product	Versions
i-PRO Co., Ltd.	VI Web Client	prior to 7.9.6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-09-05T08:38:42.951Z
• Last modified: 2024-09-30T17:15:42.112Z

09References

• downloadvi.com — https://downloadvi.com/downloads/IPServer/v7.9/796232/v796232RN.pdf
• jvn.jp — https://jvn.jp/en/jp/JVN60140221/