A Path Traversal vulnerability was discovered in MOPCMS through 2018-11-30, leading to deletion of unexpected critical files. The exploitation point is in the "column management" function. The path added to the column is not verified. When a column is deleted by an attacker, the corresponding directory is deleted, as demonstrated by ./ to delete the entire web site.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-9015
• https://github.com/yangsuda/mopcms/issues/1