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HIGH

CVE-2023-30537

CVSS v3

8.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • org.xwiki.platform:xwiki-platform-flamingo-theme-uiMavenfrom 14.5 · fixed in 14.10

Full record on NVD

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page 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 styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Technical details

Published
2023-04-16

Frequently asked questions

What is CVE-2023-30537?

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page 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 styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Is CVE-2023-30537 actively exploited?

Active exploitation of CVE-2023-30537 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-30537?

CVE-2023-30537 has a CVSS v3 base score of 8.8 (HIGH severity).

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