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Fencer Intel
high 8.8

CVE-2018-20231 json

Cross Site Request Forgery (CSRF) in the two-factor-authentication plugin before 1.3.13 for WordPress allows remote attackers to disable 2F…

published 7y ago modified 4mo ago also EUVD-2018-12797

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Cross Site Request Forgery (CSRF) in the two-factor-authentication plugin before 1.3.13 for WordPress allows remote attackers to disable 2FA via the tfa_enable_tfa parameter due to missing nonce validation.

Patch / fix

  • simbahosting two-factor-authentication 1.3.13

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Exploit prediction

1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • privacy-wise.com https://www.privacy-wise.com/two-factor-authentication-cross-site-request-forgery-csrf-vulnerability-cve-2018-20231/ 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.