CVE-2023-3248Public exploitNetwork attack vector

Stored XSS via unsanitized custom channel link

Published Jul 24, 2023 · Updated Apr 23, 2025

Stored XSS in Premio My Sticky Elements before 2.1.2 allows remote authenticated users to inject script through a channel link setting. The plugin stores a javascript URL from the custom-channel Link field without sufficient sanitization or output escaping, then emits it into the public-facing element. Administrator access is required, and script execution additionally requires a visitor to click the crafted link.

CVSS severity4.8
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Premio My Sticky Elements before 2.1.2 allows remote authenticated users to inject script through a channel link setting. The plugin stores a javascript URL from the custom-channel Link field without sufficient sanitization or output escaping, then emits it into the public-facing element. Administrator access is required, and script execution additionally requires a visitor to click the crafted link.

The record

CVE
CVE-2023-3248
Published
Jul 24, 2023
Updated
Apr 23, 2025
Vendor
Premio
Product
My Sticky Elements
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record 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 <2.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Premio · My Sticky Elementsversion=0 <2.1.2

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

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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