What is CVE-2023-27888?

CVE-2023-27888 is a medium-severity vulnerability in Sitebridge Joruri Gw, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-10.

How severe is CVE-2023-27888?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sitebridge Joruri Gw

CVE-2023-27888

Cross-site scripting vulnerability in Joruri Gw Ver 3.2.5 and earlier allows a remote authenticated attacker to inject an arbitrary script via Message Memo function of the affected product.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Sitebridge Joruri Gw
Sitebridge Inc. Joruri Gw — versions Ver 3.2.5 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

joruri-pwm.jp/org/docs/2022093000017/ (Vendor Advisory)
jvn.jp/en/jp/JVN87559956/ (Third Party Advisory)

Frequently asked questions

What is CVE-2023-27888?: CVE-2023-27888 is a medium-severity vulnerability in Sitebridge Joruri Gw, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-10.
How severe is CVE-2023-27888?: Medium severity. CVSS v3 base score is 5.4 out of 10.