High
Security advisory
In PiranhaCMS, versions 4.0.0-alpha1 to 9.2.0 are vulnerable to cross-site request forgery (CSRF) when performing various actions supported by the management system, such as deleting a user, deleting a role, editing a post, deleting a media folder etc., when an ID is known.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25976
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:41 UTC · Revision 1
Source evidence
In PiranhaCMS, versions 4.0.0-alpha1 to 9.2.0 are vulnerable to cross-site request forgery (CSRF) when performing various actions supported by the management system, such as deleting a user, deleting a role, editing a post, deleting a media folder etc., when an ID is known.
osv:CVE-2021-25976
Complete source record
{
"id": "d41f8b912df7f1a0d44ccababb246cfeb3772ed6774135d228f840a93469c838",
"url": "https://osv.dev/vulnerability/CVE-2021-25976",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25976",
"summary": "In PiranhaCMS, versions 4.0.0-alpha1 to 9.2.0 are vulnerable to cross-site request forgery (CSRF) when performing various actions supported by the management system, such as deleting a user, deleting a role, editing a post, deleting a media folder etc., when an ID is known.",
"evidence": "osv:CVE-2021-25976",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-25976",
"aliases": [
"CVE-2021-25976",
"GHSA-ppq7-88c7-q879"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/piranhacms/piranha.core",
"type": "GIT",
"events": [
{
"introduced": "c5b65aad9762e144bb9adfad317fa34b7dcf97b6"
},
{
"last_affected": "22a84b85fd30946b4ca93240e51c38d23e694acc"
},
{
"introduced": "504e9a51c72e517cad14f3f8bfc7dcc65879d769"
},
{
"last_affected": "9d7722e6b0e85f8e7c3be20fe1189ff04457db31"
},
{
"fixed": "e42abacdd0dd880ce9cf6607efcc24646ac82eda"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.1"
},
{
"last_affected": "9.2"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-NA"
},
{
"last_affected": "4.0.0-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha1:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha1"
},
{
"last_affected": "4.0.0-alpha1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha3:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha3"
},
{
"last_affected": "4.0.0-alpha3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha4:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha4"
},
{
"last_affected": "4.0.0-alpha4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha5:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha5"
},
{
"last_affected": "4.0.0-alpha5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha6:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha6"
},
{
"last_affected": "4.0.0-alpha6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha7:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha7"
},
{
"last_affected": "4.0.0-alpha7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha8:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha8"
},
{
"last_affected": "4.0.0-alpha8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:alpha9:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-alpha9"
},
{
"last_affected": "4.0.0-alpha9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:beta1:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-beta1"
},
{
"last_affected": "4.0.0-beta1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:dotnetfoundation:piranha_cms:4.0.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0-rc1"
},
{
"last_affected": "4.0.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "e42abacdd0dd880ce9cf6607efcc24646ac82eda"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"4.0.0-NA",
"4.0.0-alpha1",
"4.0.0-alpha3",
"4.0.0-alpha4",
"4.0.0-alpha5",
"4.0.0-alpha6",
"4.0.0-alpha7",
"4.0.0-alpha8",
"4.0.0-alpha9",
"4.0.0-beta1",
"4.0.0-rc1",
"v9.2",
"v9.1-sr1",
"v9.1",
"v9.1-beta1",
"v9.1-alpha2",
"v9.1-alpha1",
"v9.0-sr1",
"v9.0",
"v9.0-rc2",
"v9.0-rc1",
"v9.0-beta1",
"v8.4-sr3",
"v8.4-sr2",
"v8.4-sr1",
"v8.4",
"v8.3-sr2",
"v8.3-sr1",
"v8.3",
"v8.2",
"v8.1",
"v8.0-sr1",
"v8.0",
"v7.1.0",
"v7.0-sr5",
"v7.0-sr4",
"v7.0-sr3",
"v7.0-sr2",
"v7.0.1",
"v7.0.0",
"v7.0.0-beta1",
"v7.0.0-alpha2",
"v7.0.0-alpha1",
"v6.1.0",
"v6.0.0",
"v6.0.2",
"v6.0.1",
"v5.4.0",
"v5.3.1",
"v5.3.0",
"v5.3.0-beta1",
"v5.2.0-beta2",
"v5.2.1",
"v5.2.0",
"v5.2.0-beta1",
"v5.1.2",
"v5.1.1",
"v5.1.0",
"v5.1.0-beta1",
"v5.1.0-alpha1",
"v5.0.0",
"v5.0.1",
"v5.0.0-beta1",
"v5.0.0-alpha1",
"v4.3.0",
"v4.3.0-beta1",
"v4.2.1",
"v4.2.0",
"v4.2.0-beta1",
"v4.2.0-alpha2",
"v4.2.0-alpha1",
"v4.1.0",
"v4.1.0-beta2",
"v4.1.0-beta1",
"v4.1.0-alpha1",
"v4.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25976.json"
}
}
],
"modified": "2026-10-20T10:54:34.262266921Z",
"provider": "osv",
"references": [
"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25976",
"https://github.com/PiranhaCMS/piranha.core/commit/e42abacdd0dd880ce9cf6607efcc24646ac82eda"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25976",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385613,
"published_at": "2021-11-16T09:15:06.717+00:00"
}