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CVE-2026-44666

HRConvert2 is a self-hosted, drag-and-drop & nosql file conversion server & share tool. Prior to 3.3.8, the sanitizeString() function in convertCore.php is missing backtick (`) and tab (\t) from its strip list. User input then reaches shell_exec(), where the shell interprets these characters and commands within filenames execute. This vulnerability is fixed in 3.3.8.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:abdb6c6fc8d14aeff0198c9fc022ada56657677907c624afb1d928915a194fd0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"HRConvert2","vendor":"zelon88","versions":[{"status":"affected","version":"< 3.3.8"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/zelon88/HRConvert2/releases/tag/v3.3.8","tags":["x_refsource_MISC"],"url":"https://github.com/zelon88/HRConvert2/releases/tag/v3.3.8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/cna/references/1
{"name":"https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/zelon88/HRConvert2/security/advisories/GHSA-f74g-4wj8-j35h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3b31657dae25467ed4441cd0a6f2a9fb16b72642dee7acb6420404dcfabcf3c7 · sha256:badf96ca4701cf0f… · /containers/adp/0/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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