CVE-2026-16618Disclosure

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

The Improve SEO WordPress plugin through 2.0.11 does not properly validate uploaded files, checking only the file content type while writing the file with the attacker-supplied extension into a publicly accessible directory, allowing unauthenticated users to upload executable PHP files and achieve remote code execution.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-434

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-04: 1Technical Details · 2026-08-04: 108-04
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-16618 Unauthenticated Remote Code Execution via File Upload in Improve SEO WordPress Plugin 2.0.11 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-16618

    Post summary

    A new unauthenticated RCE vulnerability (CVE‑2026‑16618) has been disclosed for Improve SEO WordPress Plugin 2.0.11, highlighting a file upload flaw that allows remote code execution.

    0000087
    4.1K followersView on X

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