CVE-2024-10631Public exploitNetwork attack vector

Stored XSS via unsafe countdown redirect URL

Published May 15, 2025 · Updated May 20, 2025

Stored XSS in Countdown Timer for WordPress Block Editor 1.0.5 and earlier allows remote authenticated users to execute script via a redirect URL. The countdown block accepts a javascript: URL for its On Date Expiry redirect and outputs it without validating or escaping the URL scheme. A contributor can store the payload, but an administrator must publish the post and view it after the countdown expires for script execution in that administrator's browser.

CVSS severity6.5
Medium
EPSS probability0.30%
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 Countdown Timer for WordPress Block Editor 1.0.5 and earlier allows remote authenticated users to execute script via a redirect URL. The countdown block accepts a javascript: URL for its On Date Expiry redirect and outputs it without validating or escaping the URL scheme. A contributor can store the payload, but an administrator must publish the post and view it after the countdown expires for script execution in that administrator's browser.

The record

CVE
CVE-2024-10631
Published
May 15, 2025
Updated
May 20, 2025
Vendor
FlickDevs
Product
Countdown Timer for WordPress Block Editor
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 15, 2025CVE publishedPublication date reported by the CVE source.
  2. May 20, 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 <=1.0.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

FlickDevs · Countdown Timer for WordPress Block Editorversion=0 <=1.0.5

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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-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