What is CVE-2023-40176?

CVE-2023-40176 is a critical-severity vulnerability in Xwiki Xwiki-platform, classified under Cross-site Scripting. CVSS score: 9.1/10. Published 2023-08-23.

How severe is CVE-2023-40176?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2023-40176 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Xwiki Xwiki-platform

CVE-2023-40176

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any registered user can exploit a stored XSS through their user profile by setting the payload as the value of the time zone user pref…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.789 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Xwiki Xwiki-platform — versions >= 4.1-milestone-2, < 14.10.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

netlas-io/netlas-dorks

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h8cm-3v5f-rgp6 (x_refsource_CONFIRM)
https://github.com/xwiki/xwiki-platform/commit/d11ca5d781f8a42a85bc98eb82306c1431e764d4 (x_refsource_MISC)
https://jira.xwiki.org/browse/XWIKI-7847 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-40176?: CVE-2023-40176 is a critical-severity vulnerability in Xwiki Xwiki-platform, classified under Cross-site Scripting. CVSS score: 9.1/10. Published 2023-08-23.
How severe is CVE-2023-40176?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2023-40176 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.