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Fencer Intel
medium 6.1

CVE-2020-12054 json

The Catch Breadcrumb plugin before 1.5.4 for WordPress allows Reflected XSS via the s parameter (a search query).

published 6y ago modified 4mo ago also EUVD-2020-4370

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known, plus a Nuclei check

Summary

The Catch Breadcrumb plugin before 1.5.4 for WordPress allows Reflected XSS via the s parameter (a search query). Also affected are 16 themes (if the plugin is enabled) by the same author: Alchemist and Alchemist PRO, Izabel and Izabel PRO, Chique and Chique PRO, Clean Enterprise and Clean Enterprise PRO, Bold Photography PRO, Intuitive PRO, Devotepress PRO, Clean Blocks PRO, Foodoholic PRO, Catch Mag PRO, Catch Wedding PRO, and Higher Education PRO.

Patch / fix

  • catchplugins catch_breadcrumb 1.5.4

Is CVE-2020-12054 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

3.61% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template WordPress Catch Breadcrumb <1.5.4 - Cross-Site Scripting nuclei detection template
  • cxsecurity.com https://cxsecurity.com/issue/WLB-2020040144 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 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.