How serious is CVE-2026-1943?

This vulnerability has a CVSS score of 4.4 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-1943?

Yes, proof-of-concept exploit code for CVE-2026-1943 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-1943?

Check the official CVE details for a complete list of affected products and versions.

How do I fix CVE-2026-1943?

To remediate CVE-2026-1943, check for security patches from the vendor. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-1943

Medium

|4.4

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker with Shop Manager-level permissions or higher to inject malicious scripts into web pages, which can then execute when other users visit those pages. It only affects multi-site WordPress installations where certain HTML filtering settings are disabled.

Technical Description

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via settings in all versions up to, and including, 4.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Shop Manager-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

Confidentiality ImpactLow

Integrity ImpactLow

Availability ImpactNone

ScopeChanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$569($500-$1K)

Vendor Response

Grade APatched in 0 days

Quick Information

Published

Feb 18, 2026

about 2 months ago

Last Modified

Feb 18, 2026

about 2 months ago