CVE-2023-0171: jQuery T(-) Countdown Widget < 2.3.24 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-06 · updated 2026-06-17

Description

The jQuery T(-) Countdown Widget WordPress plugin before 2.3.24 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

jQuery T(-) Countdown Widget: before 2.3.34 — fixed in 2.3.34

How to fix

Upgrade to a fixed version: jQuery T(-) Countdown Widget 2.3.34. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/32324655-ff91-4a53-a2c5-ebe6678d4a9d
https://wpscan.com/vulnerability/32324655-ff91-4a53-a2c5-ebe6678d4a9d

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