CVE-2023-26852

View on CVE.org

Published Apr 12, 2023 CVSS 3.1 · 7.2 High EPSS 2.0% KEV · Not listed

Description

An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.

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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:textpattern:textpattern:*:*:*:*:*:*:*:*

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-2023-30644	An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.

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

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 2.0% (1.994% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing
https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-
https://github.com/textpattern/textpattern

History

Feb 10, 2025 4:15 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

Textpattern Textpattern

Weaknesses

CWE-434

Sources

CVE record Updated: Feb 10, 2025, 4:01 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 12, 2023, 12:00 AM
Updated: Feb 10, 2025, 4:01 PM
Reserved: Feb 27, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 11:53 AM

Updated: Aug 2, 2024, 11:53 AM

NVD Updated: Jun 17, 2026, 5:43 AM

Status: Modified
Published: Apr 12, 2023, 5:15 PM
Modified: Jun 17, 2026, 5:43 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-2023-26852", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-02-10T16:01:02.032Z", "dateReserved": "2023-02-27T00:00:00.000Z", "datePublished": "2023-04-12T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-12T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/textpattern/textpattern"}, {"url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing"}, {"url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T11:53:54.587Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/textpattern/textpattern", "tags": ["x_transferred"]}, {"url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing", "tags": ["x_transferred"]}, {"url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-434", "lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-02-10T15:59:53.379261Z", "id": "CVE-2023-26852", "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": "2025-02-10T16:01:02.032Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/textpattern/textpattern", "tags": ["x_transferred"]}, {"url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing", "tags": ["x_transferred"]}, {"url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T11:53:54.587Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-26852", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-10T15:59:53.379261Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-10T16:00:35.881Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/textpattern/textpattern"}, {"url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing"}, {"url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-"}], "descriptions": [{"lang": "en", "value": "An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-12T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2023-26852", "state": "PUBLISHED", "dateUpdated": "2025-02-10T16:01:02.032Z", "dateReserved": "2023-02-27T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-04-12T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:textpattern:textpattern:*:*:*:*:*:*:*:*", "matchCriteriaId": "18B5BA56-558B-49A6-83C4-40EA5452D3B4", "versionEndIncluding": "4.8.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file."}], "id": "CVE-2023-26852", "lastModified": "2026-06-17T05:43:53.393", "metrics": {"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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-26852", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-10T15:59:53.379261Z", "version": "2.0.3"}}]}, "published": "2023-04-12T17:15:07.537", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://github.com/textpattern/textpattern"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://github.com/textpattern/textpattern"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}