RCE in Xwiki

CVE-2023-29509

XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the `documentTree` macro parameters in This macro is installed by default in `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.762 (99.5th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-29509: held from 0.757 to 0.762.

EPSS over last 30 days · oldest: 0.757 · newest: 0.762 · change: +0.005

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-29509?
CVE-2023-29509 is a critical-severity vulnerability in Xwiki, classified under Eval Injection. CVSS score: 9.9/10. Published 2023-04-16.
How severe is CVE-2023-29509?
Critical severity. CVSS v3 base score is 9.9 out of 10.