What is CVE-2023-26577?

CVE-2023-26577 is a high-severity vulnerability in Idattend Idweb, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2023-10-25.

How severe is CVE-2023-26577?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Idattend Idweb

CVE-2023-26577

Stored cross-site scripting in the IDAttend’s IDWeb application 3.1.052 and earlier allows attackers to hijack the browsing session of the logged in user.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% 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

Idattend Idweb
Idattend Pty Ltd Idweb — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.themissinglink.com.au/security-advisories/cve-2023-26577 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-26577?: CVE-2023-26577 is a high-severity vulnerability in Idattend Idweb, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2023-10-25.
How severe is CVE-2023-26577?: High severity. CVSS v3 base score is 7.5 out of 10.