Simple JWT Login < 3.6.8 - Unauthenticated Account Takeover via Missing Google id_token Audience Validation
Priority HIGH 80CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
The Simple JWT Login WordPress plugin before 3.6.8 does not validate the audience of the Google identity tokens it accepts, allowing unauthenticated users to authenticate as any user whose email address such a token carries, up to and including an administrator. Every site with the Simple JWT Login WordPress plugin before 3.6.8's Google sign-in enabled is affected.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00418 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Simple JWT Login (Unknown): 3.6.8
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Simple JWT Login | before 3.6.8 | 3.6.8 | Patch available | CNA |
- Simple JWT Login VendorUnknown Affected before 3.6.8 Fixed in 3.6.8 Patch available CNA
Remediation
- Fix · CNA Simple JWT Login (Unknown) Fixed in 3.6.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19714
- 2026-10-03 Alias added: GHSA-vq3q-w9wv-xc6j
References
Sources
- CVE-2026-19714 · CVE Program
- CVE-2026-19714 · NVD
- FIRST EPSS
- GHSA-vq3q-w9wv-xc6j · GitHub Advisory Database · CC BY 4.0
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