GSD-2021-43558
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-43558",
"description": "A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.",
"id": "GSD-2021-43558"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
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"id": "GSD-2021-43558",
"modified": "2023-12-13T01:23:26.514553Z",
"schema_version": "1.4.0"
}
},
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},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "moodle",
"version": {
"version_data": [
{
"version_value": "moodle 3.11.4, moodle 3.10.8 and moodle 3.9.11"
}
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}
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"value": "CWE-79"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021515"
},
{
"name": "https://moodle.org/mod/forum/discuss.php?d=429097",
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"url": "https://moodle.org/mod/forum/discuss.php?d=429097"
}
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},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c=3.8.8||\u003e=3.9.0,\u003c3.9.11||\u003e=3.10.0,\u003c3.10.8||\u003e=3.11.0,\u003c3.11.4",
"affected_versions": "All versions up to 3.8.8, all versions starting from 3.9.0 before 3.9.11, all versions starting from 3.10.0 before 3.10.8, all versions starting from 3.11.0 before 3.11.4",
"cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-79",
"CWE-937"
],
"date": "2022-12-21",
"description": "A URL parameter in the filetype site administrator tool requires extra sanitizing to prevent a reflected XSS risk.",
"fixed_versions": [
"3.8.9",
"3.9.11",
"3.10.8",
"3.11.4"
],
"identifier": "CVE-2021-43558",
"identifiers": [
"CVE-2021-43558"
],
"not_impacted": "All versions after 3.8.8 before 3.9.0, all versions starting from 3.9.11 before 3.10.0, all versions starting from 3.10.8 before 3.11.0, all versions starting from 3.11.4",
"package_slug": "packagist/moodle/moodle",
"pubdate": "2021-11-22",
"solution": "Upgrade to versions 3.8.9, 3.9.11, 3.10.8, 3.11.4 or above.",
"title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-43558",
"https://moodle.org/mod/forum/discuss.php?d=429097",
"https://bugzilla.redhat.com/show_bug.cgi?id=2021515"
],
"uuid": "7a89d574-8441-467b-a97c-a27a587d8f56"
}
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{
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{
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"operator": "OR"
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{
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{
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"ID": "CVE-2021-43558"
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"description": {
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"references": {
"reference_data": [
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"name": "https://moodle.org/mod/forum/discuss.php?d=429097",
"refsource": "MISC",
"tags": [
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"url": "https://moodle.org/mod/forum/discuss.php?d=429097"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2021515",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021515"
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
},
"lastModifiedDate": "2022-06-14T14:38Z",
"publishedDate": "2021-11-22T16:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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