WordPress Two Factor plugin <= 0.16.0 - Denial of Service Attack vulnerability

published 2026-09-30 40 d ago modified 2026-09-30 40 d ago also EUVD-2026-89938

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits: 0; none known

Unauthenticated Denial of Service Attack in Two Factor <= 0.16.0 versions.

Patch / fix

fixed in 1

WordPress.org Two Factor 0.17.0

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 40 d ago (2026-09-30)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

WordPress.org Two Factor

Classification

Weakness

CWE-770 Allocation of Resources Without Limits or Throttling

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/two-factor/vulnerability/wordpress-two-factor-plugin-0-16-0-denial-of-service-attac
vdb-entry

Sources

CVE List CVE-2026-100508
NVD CVE-2026-100508

Fencer Vulns 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.

Summary