CVE-2024-10678Public exploitNetwork attack vector

Stored XSS via unsanitized Countdown expiry message

Published Dec 13, 2024 · Updated Dec 16, 2024

Stored XSS in the Ultimate Blocks Countdown block before 3.2.4 allows remote authenticated users to execute JavaScript in viewers' browsers. The block stores a contributor-controlled expiryMessage value without validation and renders it without output escaping when the countdown expires. Contributor access and a viewer loading the affected post are required; the injected script runs in the viewer's WordPress session context.

CVSS severity5.4
Medium
EPSS probability0.29%
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 the Ultimate Blocks Countdown block before 3.2.4 allows remote authenticated users to execute JavaScript in viewers' browsers. The block stores a contributor-controlled expiryMessage value without validation and renders it without output escaping when the countdown expires. Contributor access and a viewer loading the affected post are required; the injected script runs in the viewer's WordPress session context.

The record

CVE
CVE-2024-10678
Published
Dec 13, 2024
Updated
Dec 16, 2024
Vendor
WP Table Builder
Product
Ultimate Blocks
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 16, 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 <3.2.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WP Table Builder · Ultimate Blocksversion=0 <3.2.4

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/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.

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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-79Cross-Site Scripting (XSS)
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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