CVE-2023-5509Public exploitNetwork attack vector

Subscriber-level form lead deletion via unchecked AJAX capability

Published Nov 20, 2023 · Updated Aug 2, 2024

Missing authorization in Premio My Sticky Bar before 2.6.5 allows remote authenticated attackers to delete arbitrary form leads via AJAX. The my_sticky_menu_bulks() handler accepts a frontend-exposed nonce and deletion action without checking account capabilities. Exploitation requires a subscriber account and an enabled Welcome Bar lead-collection form; success deletes stored lead records.

CVSS severity5.4
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Premio My Sticky Bar before 2.6.5 allows remote authenticated attackers to delete arbitrary form leads via AJAX. The my_sticky_menu_bulks() handler accepts a frontend-exposed nonce and deletion action without checking account capabilities. Exploitation requires a subscriber account and an enabled Welcome Bar lead-collection form; success deletes stored lead records.

The record

CVE
CVE-2023-5509
Published
Nov 20, 2023
Updated
Aug 2, 2024
Vendor
Premio
Product
My Sticky Bar
Classifications
CWE-863, CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.6.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Premio · My Sticky Barversion=0 <2.6.5

Published CVSS scores

6.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization
CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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