CVE-2019-6289

CVE-2019-6289 is a high-severity vulnerability in Dedecms with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-178.

Key facts

Description

uploads/include/dialog/select_soft.php in DedeCMS V57_UTF8_SP2 allows remote attackers to execute arbitrary PHP code by uploading with a safe file extension and then renaming with a mixed-case variation of the .php extension, as demonstrated by the 1.pHP filename.

Frequently asked questions

What is CVE-2019-6289?
uploads/include/dialog/select_soft.php in DedeCMS V57_UTF8_SP2 allows remote attackers to execute arbitrary PHP code by uploading with a safe file extension and then renaming with a mixed-case variation of the .php extension, as demonstrated by the 1.pHP filename.
How severe is CVE-2019-6289?
CVE-2019-6289 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-6289 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6289?
CVE-2019-6289 affects Dedecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6289?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-6289 published?
CVE-2019-6289 was published on 2019-01-15 and last updated on 2026-06-17.

References

Affected products (1)

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