Is CVE-2026-49777 in the CISA KEV catalog?

No. CVE-2026-49777 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-49777?

CVE-2026-49777 has a CVSS v3 base score of 10.0 (CRITICAL).

What is the EPSS score for CVE-2026-49777?

CVE-2026-49777 has an EPSS score of 1.66% (74th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-49777

CRITICALEPSS 74th pctl

10.0

CVSS v3

NVD

Description

Improper Validation of Specified Quantity in Input vulnerability in ShapedPlugin, LLC Product Slider Pro for WooCommerce allows Malicious Software Implanted. This issue affects Product Slider Pro for WooCommerce: from n/a before 3.5.4.

CWE-1284

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.66%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

https://patchstack.com/database/wordpress/plugin/woo-product-slider-pro/vulnerability/wordpress-product-slider-pro-for-woocommerce-plugin-3-5-2-backdoor-vulnerability?_s_id=cve

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-08.