TI-2021-06952 Aliases CVE-2021-24670 GHSA-vhj9-fvc5-h2xq

CoolClock < 4.3.5 - Contributor+ Stored Cross-Site Scripting

LOW 25CWE-79Published 2021-09-27 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The CoolClock WordPress plugin before 4.3.5 does not escape some shortcode attributes, allowing users with a role as low as Contributor toperform Stored Cross-Site Scripting attacks

Why it matters now

EPSS 0.00624 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed CoolClock – a Javascript Analog Clock (Unknown): 4.3.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	CoolClock – a Javascript Analog Clock	4.3.5 to before 4.3.5	4.3.5	Patch available	CNA

CoolClock – a Javascript Analog Clock VendorUnknown Affected 4.3.5 to before 4.3.5 Fixed in 4.3.5 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:status301:coolclock::::::wordpress::*	before 4.3.5	Vulnerable	Status301

cpe:2.3:a:status301:coolclock:*:*:*:*:*:wordpress:*:* Versions before 4.3.5 Vulnerable ·Status301

Remediation

Fix · CNA CoolClock – a Javascript Analog Clock (Unknown) Fixed in 4.3.5

Timeline

2026-10-02 Threatist record created from CVE-2021-24670
2026-10-03 Alias added: GHSA-vhj9-fvc5-h2xq
2026-11-04 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://wpscan.com/vulnerability/a092548f-1ad5-44d3-9901-cdf4ebcee40a

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences