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Fencer Intel
medium 5.4

CVE-2018-5213 json

The Simple Download Monitor plugin before 3.5.4 for WordPress has XSS via the sdm_upload (aka Downloadable File) parameter in an edit actio…

published 8y ago modified 4mo ago also EUVD-2018-16998

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

The Simple Download Monitor plugin before 3.5.4 for WordPress has XSS via the sdm_upload (aka Downloadable File) parameter in an edit action to wp-admin/post.php.

Patch / fix

Is CVE-2018-5213 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.

Check with Fencer

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/d4wner/Vulnerabilities-Report/blob/master/simple-download-monitor.md referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Arsenal21/simple-download-monitor/issues/27 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
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.