CVE-2026-4986General

LOWCVSS 5.3 · MEDIUM

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 WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • General: 2 classified signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-07-22); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-22: 2Mentions · 2026-09-13: 1Technical Details · 2026-07-22: 107-2209-13
Signal classification2 categories
General
266.7%
Disclosure
133.3%
Referenced assets1 URL
Classification over time
DateTotalLabels
2026-07-222
Disclosure1General1
2026-09-131
General1
Full discourse3 posts
  • /r/netsec@_r_netsec
    General

    I was reporter #11 for a WPForms PayPal webhook vulnerability (CVE-2026-4986) https://blog.himanshuanand.com/2026/07/reporter-11-10-people-found-the-wpforms-paypal-bug-before-me-cve-2026-4986/

    Post summary

    The text announces the author's role as the 11th reporter of CVE-2026-4986 but provides no technical or exploit-related information.

    030521.2K
    33.7K followersView on X
  • Himanshu Anand@anand_himanshu
    Disclosure

    Reporter #11. I found a WPForms PayPal webhook that processed unauthenticated payment events. Ten researchers had already reported it. The code bug was small. The rediscovery signal was not. CVE-2026-4986 https://blog.himanshuanand.com/2026/07/reporter-11-10-people-found-the-wpforms-paypal-bug-before-me-cve-2026-4986/

    Post summary

    The post announces CVE-2026-4986, a WPForms PayPal webhook flaw that allows unauthenticated payment events; no PoC, exploit, patch, or active exploitation evidence is provided.

    01040269
    734 followersView on X
  • /r/netsec@_r_netsec
    General

    I was reporter #11 for a WPForms PayPal webhook vulnerability (CVE-2026-4986) https://blog.himanshuanand.com/2026/07/reporter-11-10-people-found-the-wpforms-paypal-bug-before-me-cve-2026-4986/

    Post summary

    The post mentions the CVE and links to a blog article but provides no technical details or evidence of exploitation.

    010011.2K
    33.8K followersView on X

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