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Fencer Intel
high 8.8

CVE-2019-11886 json

The WaspThemes Visual CSS Style Editor (aka yellow-pencil-visual-theme-customizer) plugin before 7.2.1 for WordPress allows yp_option_updat…

published 7y ago modified 4mo ago also EUVD-2019-3544

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known, plus a Nuclei check

Summary

The WaspThemes Visual CSS Style Editor (aka yellow-pencil-visual-theme-customizer) plugin before 7.2.1 for WordPress allows yp_option_update CSRF, as demonstrated by use of yp_remote_get to obtain admin access.

Patch / fix

  • yellowpencil visual_css_style_editor 7.2.1

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Exploit prediction

2.28% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Yellow Pencil Visual Theme Customizer < 7.2.1 - Privilege Escalation nuclei detection template
  • wordfence.com https://www.wordfence.com/blog/2019/04/zero-day-vulnerability-in-yellow-pencil-visual-theme-customizer-exploited-in-the-wild/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
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.