Critical
org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-26477
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 02:28 UTC · Revision 1
Source evidence
org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability
core-osv · Original sourcePublished 2 Mar 2023, 17:52 UTC
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.
osv:CVE-2023-26477
Complete source record
{
"id": "6fa3a0ce1be31ba379aa619150fa6c6cfbe8f8e98a4c28cce2fd9fa6aeeae648",
"url": "https://osv.dev/vulnerability/CVE-2023-26477",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability",
"summary": "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.",
"evidence": "osv:CVE-2023-26477",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2023-26477",
"aliases": [
"CVE-2023-26477",
"GHSA-x2qm-r4wx-8gpg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/xwiki/xwiki-commons",
"type": "GIT",
"events": [
{
"introduced": "db112373baaa268c5a441c285a5244df194683c6"
},
{
"fixed": "bc18e50bcf9ea40d1e25ff8d065b3178c8247f16"
},
{
"introduced": "491547c4f74b9be58123ef22081ae7e6840a11c7"
},
{
"fixed": "61952343490e97926364658196c63936e0b384c5"
},
{
"introduced": "bae1e23e73cafc007e5f28b39a04bfa0acf0199c"
},
{
"fixed": "c2eb37f9cb37dab85f673e2151a323ff0074a365"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.2.4"
},
{
"fixed": "13.10.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "14.0"
},
{
"fixed": "14.4.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "14.5"
},
{
"fixed": "14.9"
}
],
"source": "CPE_RANGE"
}
]
}
},
{
"repo": "https://github.com/xwiki/xwiki-platform",
"type": "GIT",
"events": [
{
"introduced": "7f09d117ac2739546ab4b7bc7150b509259753ae"
},
{
"fixed": "61a67f5cf241df692779d77367168e0762119091"
},
{
"introduced": "d971304b0e0bf4f6dad278de89518edc17459741"
},
{
"fixed": "4db5104960c1c13a7d2b740800e2b9d0091444d8"
},
{
"introduced": "ab4dfeaeef13360eebcaa507bc652073aa89a427"
},
{
"fixed": "101becab4069ae9ccdc8c2f2c4edc562645e152b"
},
{
"fixed": "ea2e615f50a918802fd60b09ec87aa04bc6ea8e2"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.2.4"
},
{
"fixed": "13.10.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "14.0"
},
{
"fixed": "14.4.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "14.5"
},
{
"fixed": "14.9"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "ea2e615f50a918802fd60b09ec87aa04bc6ea8e2"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26477.json"
}
}
],
"modified": "2026-10-28T02:30:45.967040426Z",
"provider": "osv",
"references": [
"https://jira.xwiki.org/browse/XWIKI-19757",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26477.json",
"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-x2qm-r4wx-8gpg",
"https://nvd.nist.gov/vuln/detail/CVE-2023-26477",
"https://github.com/xwiki/xwiki-platform/commit/ea2e615f50a918802fd60b09ec87aa04bc6ea8e2#diff-e2153fa59f9d92ef67b0afbf27984bd17170921a3b558fac227160003d0dfd2aR283-R284"
],
"provider_metadata": {
"cwe_ids": [
"CWE-95"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26477.json"
}
},
"related_cves": [
{
"value": "CVE-2023-26477",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 514278,
"published_at": "2023-03-02T17:52:40.359+00:00"
}