CVE-2023-3962

Winters <= 1.4.3 - Prototype Pollution to Reflected Cross-Site Scripting

CVSS 6.1 MEDIUMEPSS 0.4%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.1EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

20 Oct 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The Winters theme for WordPress is vulnerable to Reflected Cross-Site Scripting via prototype pollution in versions up to, and including, 1.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

myshopkit · Winters - WordPress Blog Theme

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References

https://github.com/BlackFan/client-side-prototype-pollution https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8b75a1-f0f2-445b-a1c7-1628916470d3?source=cve