How severe is CVE-2026-49777?

CVE-2026-49777 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-49777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-49777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-49777 have an EU (EUVD) identifier?

Yes. CVE-2026-49777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34792.

When was CVE-2026-49777 published?

CVE-2026-49777 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-49777

CVE-2026-49777 is a critical-severity vulnerability with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1284.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34792
Weakness: CWE-1284
Published: 2026-06-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-49777?: 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.
How severe is CVE-2026-49777?: CVE-2026-49777 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-49777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-49777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-49777 have an EU (EUVD) identifier?: Yes. CVE-2026-49777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34792.
When was CVE-2026-49777 published?: CVE-2026-49777 was published on 2026-06-05 and last updated on 2026-06-17.

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

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