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Fencer Intel
medium 5.3

CVE-2019-13344 json

An authentication bypass vulnerability in the CRUDLab WP Like Button plugin through 1.6.0 for WordPress allows unauthenticated attackers to…

published 7y ago modified 4mo ago also EUVD-2019-4848

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
45.1%
EPSS 45.1% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

An authentication bypass vulnerability in the CRUDLab WP Like Button plugin through 1.6.0 for WordPress allows unauthenticated attackers to change settings. The contains() function in wp_like_button.php did not check if the current request is made by an authorized user, thus allowing any unauthenticated user to successfully update settings, as demonstrated by the wp-admin/admin.php?page=facebook-like-button each_page_url or code_snippet parameter.

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Timeline

  1. Published
  2. First public exploit (EDB-47078)

Exploit prediction

45.10% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-47078 WordPress Plugin Like Button 1.6.0 - Authentication Bypass webapps, 2019-07-08
  • limbenjamin.com https://limbenjamin.com/articles/wp-like-button-auth-bypass.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/153541/WordPress-Like-Button-1.6.0-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality
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.