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Fencer Intel
high 8.3

CVE-2019-20361 in the critical feed json

There was a flaw in the WordPress plugin, Email Subscribers & Newsletters before 4.3.1, that allowed SQL statements to be passed to the dat…

published 6y ago modified 4mo ago also EUVD-2019-10914

cvss
8.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
85.1%
EPSS 85.1% chance of exploitation in 30 days, percentile 99.7%
public exploits
2
Metasploit and Exploit-DB

Summary

There was a flaw in the WordPress plugin, Email Subscribers & Newsletters before 4.3.1, that allowed SQL statements to be passed to the database in the hash parameter (a blind SQL injection vulnerability).

Patch / fix

  • icegram email_subscribers_&_newsletters 4.3.1

Is CVE-2019-20361 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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Timeline

  1. First public exploit (Metasploit auxiliary/scanner/http/wp_email_sub_news_sqli)
  2. Published

Exploit prediction

85.11% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit auxiliary/scanner/http/wp_email_sub_news_sqli WordPress Email Subscribers and Newsletter Hash SQLi Scanner metasploit auxiliary, normal rank, 2019-11-13
  • EDB-48699 WordPress Plugin Email Subscribers & Newsletters 4.2.2 - 'hash' SQL Injection (Unauthenticated) webapps, 2020-07-26
  • wordfence.com https://www.wordfence.com/blog/2019/11/multiple-vulnerabilities-patched-in-email-subscribers-newsletters-plugin/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/158568/WordPress-Email-Subscribers-And-Newsletters-4.2.2-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.3 CVSS:3.0/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:C/UI:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
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.