VulnSocial

CVE-2026-4065Disclosure

LOWCVSS 5.4 · MEDIUM

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 Smart Slider 3 plugin for WordPress is vulnerable to unauthorized access and modification of data due to missing capability checks on multiple wp_ajax_smart-slider3 controller actions in all versions up to, and including, 3.5.1.33. The display_admin_ajax() method does not call checkForCap() (which requires unfiltered_html capability), and several controller actions only validate the nonce (validateToken()) without calling validatePermission(). This makes it possible for authenticated attackers, with Contributor-level access and above, to enumerate slider metadata and create, modify, and delete image storage records by obtaining the nextend_nonce exposed on post editor pages.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

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

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-04-08); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-08: 2Mentions · 2026-04-20: 1PoC Mentioned / Linked · 2026-04-20: 1Technical Details · 2026-04-08: 204-0804-20
Signal classification2 categories
Disclosure
266.7%
PoC
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-082
Disclosure2
2026-04-201
PoC1
Full discourse3 posts
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-4065-smart-slider-3-version-3-5-1-33-medium-vulnerability-proof-of-concept CVE-2026-4065 #WordPress plugin #vulnerability smart-slider-3 #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge

    Post summary

    The text announces a proof‑of‑concept for CVE‑2026‑4065, linking to a demonstration but provides no detailed exploit code, active usage evidence, or mitigation guidance.

    0000058
    6 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-4065 The Smart Slider 3 plugin for WordPress is vulnerable to unauthorized access and modification of data due to missing capability checks on multiple wp_ajax_smart-slider3… https://www.cve.org/CVERecord?id=CVE-2026-4065

    Post summary

    CVE-2026-4065 is a disclosure of a vulnerability in the Smart Slider 3 WordPress plugin that allows unauthorized data access via missing capability checks on several AJAX endpoints.

    00000184
    57.0K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-4065 Unauthorized Data Modification in Smart Slider 3 WordPress Plugin Through Missing Capability Checks https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4065

    Post summary

    The post announces CVE-2026-4065, a data‑modification flaw in Smart Slider 3 caused by missing capability checks, without providing PoC, exploit, or mitigation details.

    0000053
    4.0K followersView on X

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