Medium
Security advisory
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using `OIDCPreservePost On`.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32792
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:24 UTC · Revision 1
Source evidence
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using `OIDCPreservePost On`.
osv:CVE-2021-32792
Complete source record
{
"id": "878a4f25e571f23b61239e61bae0ec0d5a74f0191995b6331db5469e522c2af0",
"url": "https://osv.dev/vulnerability/CVE-2021-32792",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32792",
"summary": "mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using `OIDCPreservePost On`.",
"evidence": "osv:CVE-2021-32792",
"products": [],
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"aliases": [
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}
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"affected": [
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{
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{
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"v1.8.8",
"v1.8.7",
"v1.8.6",
"v1.8.5",
"v1.8.4",
"v1.8.3",
"v1.8.2",
"v1.8.1",
"v1.8.0",
"v1.7.0",
"v1.6.0",
"v1.5.5",
"v1.5.4",
"v1.5.3",
"v1.5.2",
"v1.5.1",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32792.json",
"vanir_signatures": [
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"digest": {
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"source": "https://github.com/openidc/mod_auth_openidc/commit/00c315cb0c8ab77c67be4a2ac08a71a83ac58751",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
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{
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"source": "https://github.com/openidc/mod_auth_openidc/commit/55ea0a085290cd2c8cdfdd960a230cbc38ba8b56",
"target": {
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{
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"digest": {
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"function_hash": "32194573796516897377511631364803745687"
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"source": "https://github.com/openidc/mod_auth_openidc/commit/00c315cb0c8ab77c67be4a2ac08a71a83ac58751",
"target": {
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"function": "oidc_request_post_preserved_restore"
},
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"signature_type": "Function",
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{
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"source": "https://github.com/openidc/mod_auth_openidc/commit/55ea0a085290cd2c8cdfdd960a230cbc38ba8b56",
"target": {
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"vanir_signatures_modified": "2026-10-24T14:21:14Z"
}
}
],
"modified": "2026-10-24T14:21:14.981593708Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXAWKPT5LXZSUTFSJ6IWSZC7RMYYQXQD/",
"https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9",
"https://github.com/zmartzone/mod_auth_openidc/commit/00c315cb0c8ab77c67be4a2ac08a71a83ac58751",
"https://github.com/zmartzone/mod_auth_openidc/commit/55ea0a085290cd2c8cdfdd960a230cbc38ba8b56",
"https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-458c-7pwg-3j7j",
"https://www.oracle.com/security-alerts/cpuapr2022.html"
],
"provider_metadata": {
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],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
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{
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{
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],
"source": "CPE_STRING"
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},
"related_cves": [
{
"value": "CVE-2021-32792",
"evidence": "/id"
}
],
"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 443590,
"published_at": "2021-07-26T17:15:08.28+00:00"
}