CVE-2026-1890Disclosure

LOWCVSS 5.3 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data

2.0/ 10 priority

Sources & remediation

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-03-26); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-26: 2Mentions · 2026-07-04: 1PoC Mentioned / Linked · 2026-07-04: 1Patch / Workaround · 2026-03-26: 1Technical Details · 2026-03-26: 2Technical Details · 2026-07-04: 103-2607-04
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-262
Disclosure1Patch1
2026-07-041
Disclosure1
Full discourse3 posts
  • pdnuclei-bot@pdnuclei_bot
    Disclosure

    🚨 CVE-2026-1890 - medium 🚨 LeadConnector < 3.0.22 - Unauthenticated Arbitrary Data Write > LeadConnector WordPress plugin < 3.0.22 contains a broken access control caused by mi... 👾 https://cloud.projectdiscovery.io/library/CVE-2026-1890 @pdnuclei #NucleiTemplates #cve

    Post summary

    The tweet announces CVE-2026-1890, affecting LeadConnector versions below 3.0.22, describing an unauthenticated arbitrary data write vulnerability and linking to a Project Discovery library entry.

    00001325
    973 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-1890 The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data https://www.cve.org/CVERecord?id=CVE-2026-1890

    Post summary

    The LeadConnector WordPress plugin before version 3.0.22 has an unauthenticated REST endpoint that allows users to overwrite existing data.

    0001086
    56.8K followersView on X
  • Fernando Karl@fernandokarl
    Patch

    🚨 Alerta de segurança: A vulnerabilidade CVE-2026-1890 permite acesso remoto e alterações não autorizadas, com CVSS de 7.5! Priorize a aplicação de patches e mitigação. Proteja seus sistemas! 🔒 👉 Saiba mais: https://www.tenable.com/cve/CVE-2026-1890 #Cibersegurança #Vulnerabilidade #CVE

    Post summary

    A security alert highlights CVE‑2026‑1890, noting remote access and unauthorized changes, a CVSS of 7.5, and urges users to apply patches and mitigations.

    0000042
    258 followersView on X

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