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Fencer Intel
medium 6.8

CVE-2013-5963 json

Unrestricted file upload vulnerability in multi.php in Simple Dropbox Upload plugin before 1.8.8.1 for WordPress allows remote attackers to…

published 13y ago modified 4mo ago also EUVD-2013-5793

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Unrestricted file upload vulnerability in multi.php in Simple Dropbox Upload plugin before 1.8.8.1 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/wpdb/.

Patch / fix

Is CVE-2013-5963 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

4.16% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wordpress.org http://wordpress.org/plugins/simple-dropbox-upload-form/changelog referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/123235 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.