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CVE-2026-66397

phpMyFAQ before 4.1.6 fails to validate path traversal sequences in the existing_image field during category updates, allowing authenticated attackers to delete arbitrary files by exploiting insufficient sanitization in Image::delete(). Attackers can delete the database.php configuration file to disable the installation gate and access the public setup wizard to create new superadmin accounts.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b0049188831b5ac213ad6276676a76585a8c86298891db13a7229b33591068e6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"phpMyFAQ","vendor":"thorsten","versions":[{"lessThan":"4.1.6","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"4.1.6","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"GitHub Security Advisory (GHSA-mh9w-5hr8-3272)","tags":["vendor-advisory"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-mh9w-5hr8-3272"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/adp/0/references/0
{"name":"VulnCheck Advisory: phpMyFAQ before 4.1.6 Path Traversal via category image deletion","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/phpmyfaq-before-path-traversal-via-category-image-deletion"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4222f1df5b665ca2270252da0b86d4d869f2101f885eec6737f855d54f14c01 · sha256:b7e5189a61017cf5… · /containers/cna/references/1

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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