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CVE-2026-27146

GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to explo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a7880d80cc475743c55a9c86c306d6e4f8abecf008c40b73b2a95951ef2d5901
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"GetSimpleCMS-CE","vendor":"GetSimpleCMS-CE","versions":[{"status":"affected","version":"<= 3.3.22"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-26rv-8wpp-q84r","tags":["x_refsource_CONFIRM"],"url":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-26rv-8wpp-q84r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:98723c16ea6d7735f6302fcf67e3fb23432dad9f366b0b2df913a6bc0cc08701 · sha256:46df60ade86d9bd6… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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