Vulnerability Monitor

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CVE-2023-26477

XWiki Platform is a generic wiki platform. Starting in versions 6.3-rc-1 and 6.2.4, it's possible to inject arbitrary wiki syntax including Groovy, Python and Velocity script macros via the `newThemeName` request parameter (URL parameter), in combination with additional parameters. This has been patched in the supported versions 13.10.10, 14.9-rc-1, and 14.4.6. As a workaround, it is possible to edit `FlamingoThemesCode.WebHomeSheet` and manually perform the changes from the patch fixing the issue.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 10.0, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from xwiki organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-03-02T18:15:10.293

Last Modified

2024-11-21T07:51:35.627

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 10.0 (CRITICAL)

Weaknesses

Type: Secondary
CWE-95
Type: Primary
CWE-94

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	xwiki	xwiki	< 13.10.10	Yes
Application	xwiki	xwiki	< 14.4.6	Yes
Application	xwiki	xwiki	< 14.9	Yes

References

https://github.com/xwiki/xwiki-platform/commit/ea2e615f50a918802fd60b09ec87aa04bc6ea8e2#diff-e2153fa59f9d92ef67b0afbf27984bd17170921a3b558fac227160003d0dfd2aR283-R284 Patch ([email protected])
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-x2qm-r4wx-8gpg Exploit, Vendor Advisory ([email protected])
https://jira.xwiki.org/browse/XWIKI-19757 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://github.com/xwiki/xwiki-platform/commit/ea2e615f50a918802fd60b09ec87aa04bc6ea8e2#diff-e2153fa59f9d92ef67b0afbf27984bd17170921a3b558fac227160003d0dfd2aR283-R284 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-x2qm-r4wx-8gpg Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://jira.xwiki.org/browse/XWIKI-19757 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For xwiki's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.