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  4. CVE 2026 39793 wordpress simple jwt login plugin 400 broken
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Back to active CVEs
High · CVSS 8.8CVE-2026-39793

WordPress Simple JWT Login plugin 4.0.0 - Broken Authentication vulnerabilityCVE-2026-39793

Answer in brief

CVE-2026-39793 records a High severity (CVSS 8.8) vulnerability in WordPress Simple JWT Login plugin 4.0.0 - Broken Authentication vulnerability. The current sources do not mark it as known exploited. The current feed maps Nicu Micle/simple-jwt-login (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 6, 2026Updated Oct 6, 2026Source checked Oct 6, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Nicu Micle/simple-jwt-login (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Nicu Micle/simple-jwt-logingeneric4.0.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Nicu Micle/simple-jwt-login.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Subscriber Broken Authentication in Simple JWT Login 4.0.0 versions.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Insecure deserialization in the TrueLayer Magento 2 pluginSame generic ecosystem
  • Authenticated RCE via render-components Entry Type overridesSame generic ecosystem
  • Heap Buffer Overflow in GNU Aspell's prezip utilitySame generic ecosystem
  • Out-of-bounds Read in GNU AspellSame generic ecosystem
  • Integer Truncation Leading to Heap Corruption in GNU AspellSame generic ecosystem
  • Open Redirect in PingGateway Fragment FilterSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-288
Source
CVE List V5
Source checked
Oct 6, 2026
References
1 linked source
Open source record