CVE-2023-2259

Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io

View on CVE.org

Published Apr 24, 2023 CVSS 3.1 · 7.2 High EPSS 1.1% KEV · Not listed

Description

Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

alfio-event

alfio-event/alf.io

affected

Version	Status	Constraints
`unspecified`	affected	< 2.0-M4-2304

Configuration 1 [-]

cpe:2.3:a:alf:alf:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-33765	Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.089% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2
https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff

History

Feb 4, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Alf Alf

Weaknesses

Sources

CVE record Updated: Feb 4, 2025, 4:49 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Apr 24, 2023, 12:00 AM
Updated: Feb 4, 2025, 4:49 PM
Reserved: Apr 24, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 6:19 AM

Updated: Aug 2, 2024, 6:19 AM

NVD Updated: Jun 17, 2026, 5:52 AM

Status: Modified
Published: Apr 24, 2023, 9:15 PM
Modified: Jun 17, 2026, 5:52 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-2259", "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "dateUpdated": "2025-02-04T16:49:08.353Z", "dateReserved": "2023-04-24T00:00:00.000Z", "datePublished": "2023-04-24T00:00:00.000Z"}, "containers": {"cna": {"title": "Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io", "providerMetadata": {"orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev", "dateUpdated": "2023-04-24T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304."}], "affected": [{"vendor": "alfio-event", "product": "alfio-event/alf.io", "versions": [{"version": "unspecified", "lessThan": "2.0-M4-2304", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff"}, {"url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine", "cweId": "CWE-1336"}]}], "source": {"advisory": "e753bce0-ce82-463b-b344-2f67b39b60ff", "discovery": "EXTERNAL"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:19:14.261Z"}, "title": "CVE Program Container", "references": [{"url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff", "tags": ["x_transferred"]}, {"url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-04T16:49:02.529147Z", "id": "CVE-2023-2259", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T16:49:08.353Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff", "tags": ["x_transferred"]}, {"url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:19:14.261Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-2259", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-04T16:49:02.529147Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T16:48:26.490Z"}}], "cna": {"title": "Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io", "source": {"advisory": "e753bce0-ce82-463b-b344-2f67b39b60ff", "discovery": "EXTERNAL"}, "metrics": [{"cvssV3_0": {"scope": "CHANGED", "version": "3.0", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "alfio-event", "product": "alfio-event/alf.io", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "2.0-M4-2304", "versionType": "custom"}]}], "references": [{"url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff"}, {"url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2"}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1336", "description": "CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine"}]}], "providerMetadata": {"orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev", "dateUpdated": "2023-04-24T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2023-2259", "state": "PUBLISHED", "dateUpdated": "2025-02-04T16:49:08.353Z", "dateReserved": "2023-04-24T00:00:00.000Z", "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "datePublished": "2023-04-24T00:00:00.000Z", "assignerShortName": "@huntrdev"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "alfio-event/alf.io", "vendor": "alfio-event", "versions": [{"lessThan": "2.0-M4-2304", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:alf:alf:*:*:*:*:*:*:*:*", "matchCriteriaId": "DB945ACA-B596-417D-9832-1137D9B9C640", "versionEndExcluding": "2.0-m4-2304", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304."}], "id": "CVE-2023-2259", "lastModified": "2026-06-17T05:52:07.480", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-2259", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-04T16:49:02.529147Z", "version": "2.0.3"}}]}, "published": "2023-04-24T21:15:09.547", "references": [{"source": "security@huntr.dev", "tags": ["Patch"], "url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Third Party Advisory"], "url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1336"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}