CVE-2024-8983Public exploitNetwork attack vector

Stored XSS via unsanitized Custom JS setting

Published Oct 8, 2024 · Updated Aug 27, 2025

Stored XSS in Smash Balloon Custom Twitter Feeds before 2.2.3 allows remote authenticated users to inject scripts via plugin settings. The Feeds panel stores the Custom JS setting without sanitizing or escaping its value, then emits the saved payload on posts or pages. Administrator privileges are required, and the flaw remains exploitable when unfiltered_html is disabled, including in WordPress multisite deployments.

CVSS severity4.8
Medium
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in Smash Balloon Custom Twitter Feeds before 2.2.3 allows remote authenticated users to inject scripts via plugin settings. The Feeds panel stores the Custom JS setting without sanitizing or escaping its value, then emits the saved payload on posts or pages. Administrator privileges are required, and the flaw remains exploitable when unfiltered_html is disabled, including in WordPress multisite deployments.

The record

CVE
CVE-2024-8983
Published
Oct 8, 2024
Updated
Aug 27, 2025
Vendor
Smash Balloon
Product
Custom Twitter Feeds
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <2.2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Smash Balloon · Custom Twitter Feedsversion=0 <2.2.3

Published CVSS scores

4.8CISA ADPCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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')
T1203Exploitation for Client Execution

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo