Search
Find a vulnerability
Search criteria
2 vulnerabilities by giscus
CVE-2025-53532 (GCVE-0-2025-53532)
Vulnerability from nvd – Published: 2025-07-07 17:06 – Updated: 2025-07-07 17:52
VLAI
Title
giscus allows unauthorized discussion creation
Summary
giscus is a commenting system powered by GitHub Discussions. A bug in giscus' discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/giscus/giscus/security/advisor… | x_refsource_CONFIRM |
| https://github.com/giscus/giscus/commit/4b9745fe1… | x_refsource_MISC |
| https://github.com/giscus/giscus/commit/c43af7806… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-53532",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-07T17:52:34.931217Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-07T17:52:47.272Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "giscus",
"vendor": "giscus",
"versions": [
{
"status": "affected",
"version": "\u003c c43af7806e65adfcf4d0feeebef76dc36c95cb9a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "giscus is a commenting system powered by GitHub Discussions. A bug in giscus\u0027 discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "CWE-285: Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-07-07T17:06:58.249Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3"
},
{
"name": "https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389"
},
{
"name": "https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a"
}
],
"source": {
"advisory": "GHSA-w6vg-v24f-4vm3",
"discovery": "UNKNOWN"
},
"title": "giscus allows unauthorized discussion creation"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2025-53532",
"datePublished": "2025-07-07T17:06:58.249Z",
"dateReserved": "2025-07-02T15:15:11.514Z",
"dateUpdated": "2025-07-07T17:52:47.272Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2025-53532 (GCVE-0-2025-53532)
Vulnerability from cvelistv5 – Published: 2025-07-07 17:06 – Updated: 2025-07-07 17:52
VLAI
Title
giscus allows unauthorized discussion creation
Summary
giscus is a commenting system powered by GitHub Discussions. A bug in giscus' discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/giscus/giscus/security/advisor… | x_refsource_CONFIRM |
| https://github.com/giscus/giscus/commit/4b9745fe1… | x_refsource_MISC |
| https://github.com/giscus/giscus/commit/c43af7806… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-53532",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-07T17:52:34.931217Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-07T17:52:47.272Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "giscus",
"vendor": "giscus",
"versions": [
{
"status": "affected",
"version": "\u003c c43af7806e65adfcf4d0feeebef76dc36c95cb9a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "giscus is a commenting system powered by GitHub Discussions. A bug in giscus\u0027 discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "CWE-285: Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-07-07T17:06:58.249Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3"
},
{
"name": "https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389"
},
{
"name": "https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a"
}
],
"source": {
"advisory": "GHSA-w6vg-v24f-4vm3",
"discovery": "UNKNOWN"
},
"title": "giscus allows unauthorized discussion creation"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2025-53532",
"datePublished": "2025-07-07T17:06:58.249Z",
"dateReserved": "2025-07-02T15:15:11.514Z",
"dateUpdated": "2025-07-07T17:52:47.272Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}