YesWiki before 4.7.0 CSRF via despam Admin Action
YesWiki before 4.7.0 contains a cross-site request forgery vulnerability in the despam action (tools/security/actions/despam.php) that lets unauthenticated attackers delete or restore pages through an administrator's session. Attackers can plant an auto-submitting raw HTML form on a wiki page, so an administrator who views it posts clean, suppr[], or rev[] parameters that delete PagePrincipale, configuration pages, or overwrite current content.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-116204
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 18:37 UTC · Revision 1
Source evidence
YesWiki before 4.7.0 CSRF via despam Admin Action
core-osv · Original sourcePublished 25 Oct 2026, 13:20 UTC
YesWiki before 4.7.0 contains a cross-site request forgery vulnerability in the despam action (tools/security/actions/despam.php) that lets unauthenticated attackers delete or restore pages through an administrator's session. Attackers can plant an auto-submitting raw HTML form on a wiki page, so an administrator who views it posts clean, suppr[], or rev[] parameters that delete PagePrincipale, configuration pages, or overwrite current content.
osv:CVE-2026-116204
Complete source record
{
"id": "aa53a7b6de6ad5d03e225d80274ef5770b3e20eba1d0b46e2b7b4bc2999eed7d",
"url": "https://osv.dev/vulnerability/CVE-2026-116204",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "YesWiki before 4.7.0 CSRF via despam Admin Action",
"summary": "YesWiki before 4.7.0 contains a cross-site request forgery vulnerability in the despam action (tools/security/actions/despam.php) that lets unauthenticated attackers delete or restore pages through an administrator's session. Attackers can plant an auto-submitting raw HTML form on a wiki page, so an administrator who views it posts clean, suppr[], or rev[] parameters that delete PagePrincipale, configuration pages, or overwrite current content.",
"evidence": "osv:CVE-2026-116204",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-116204",
"aliases": [
"CVE-2026-116204",
"GHSA-cv88-hx5q-vq72"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/yeswiki/yeswiki",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "bba4abccdf68476dde3d7119019139121849fb32"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "4.7.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "4.7.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"v4.6.9",
"v4.6.8",
"v4.6.7",
"v4.6.6",
"v4.6.5",
"v4.6.4",
"v4.6.3",
"v4.6.2",
"v4.6.0",
"v4.5.5",
"v4.5.4",
"v4.5.3",
"v4.5.2",
"v4.5.1",
"v4.4.3",
"v4.4.2",
"v4.4.1",
"v4.4.0",
"v4.3.1",
"v4.3.0",
"v4.2.2",
"v4.2.1",
"v4.2.0",
"v4.1.5",
"v4.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-116204.json"
}
}
],
"modified": "2026-10-28T02:30:38.165264134Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116204.json",
"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-cv88-hx5q-vq72",
"https://nvd.nist.gov/vuln/detail/CVE-2026-116204",
"https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-csrf-via-despam-admin-action"
],
"provider_metadata": {
"cwe_ids": [
"CWE-352"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116204.json"
}
},
"related_cves": [
{
"value": "CVE-2026-116204",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505764,
"published_at": "2026-10-25T13:20:35.206+00:00"
}