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Fencer Intel
critical 9.8

CVE-2018-21013 json

The Swape theme before 1.2.1 for WordPress has incorrect access control, as demonstrated by allowing new administrator accounts via vectors…

published 7y ago modified 4mo ago also EUVD-2018-13537

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

The Swape theme before 1.2.1 for WordPress has incorrect access control, as demonstrated by allowing new administrator accounts via vectors involving xmlPath to wp-admin/admin-ajax.php.

Patch / fix

  • upperthemes swape 1.2.1

Is CVE-2018-21013 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

1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpvulndb.com https://wpvulndb.com/vulnerabilities/9024 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-269 Improper Privilege Management
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.