VulnSocial

CVE-2026-16268Disclosure

LOWCVSS 8.2 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-918

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-17: 1PoC Mentioned / Linked · 2026-08-17: 1Technical Details · 2026-08-17: 108-17
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • pdnuclei-bot@pdnuclei_bot
    Disclosure

    🚨 CVE-2026-16268 - medium 🚨 Newsletters < 4.16 - Unauthenticated SSRF via SNS Bounce Handler > Newsletters WordPress plugin < 4.16 contains a server-side request forgery caused by ... 👾 https://cloud.projectdiscovery.io/library/CVE-2026-16268 @pdnuclei #NucleiTemplates #cve

    Post summary

    The tweet announces a medium‑severity vulnerability (CVE-2026-16268) affecting WordPress Newsletters plugin versions below 4.16, describing an unauthenticated SSRF via the SNS Bounce Handler. A ProjectDiscovery library link is provided, likely containing additional details, but no explicit PoC or exploit code is mentioned.

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    1.3K followersView on X

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