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Fencer Vulns
medium 6.1

CVE-2017-18611 json

The magic-fields plugin before 1.7.2 for WordPress has XSS via the RCCWP_CreateCustomFieldPage.php custom-field-css parameter.

published 2019-09-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9724

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The magic-fields plugin before 1.7.2 for WordPress has XSS via the RCCWP_CreateCustomFieldPage.php custom-field-css parameter.

Patch / fix

  • magicfields magic_fields 1.7.2

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sumofpwn.nl https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_magic_fields_1_wordpress_plugin.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

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

References

Sources

Fencer Vulns 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.