Threat Intelligence / CVE / CVE-2026-49777

CVE-2026-49777 — ShapedPlugin, LLC Product Slider Pro for WooCommerce

CVSS v3.1 10 (CRITICAL) · EPSS 1.6% (higher than 73.5% of all scored CVEs) · Priority 10/10 · Published 2026-06-05

As of 2026-06-08, CVE-2026-49777 is a CRITICAL-severity vulnerability in ShapedPlugin, LLC Product Slider Pro for WooCommerce, CVSS v3.1 10, EPSS 1.6% (73.5th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-49777, most recently “ShapedPlugin WordPress Pro Plugins Backdoored via Build-Pipeline Supply Chain Compromise (CVE-2026-49777, CVE-2026-10735)”.

Last updated: 2026-06-08

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.

The record classifies CVE-2026-49777 under weakness class CWE-1284. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 100 days ago.

Severity and exploitation probability

CVSS v3.1 base score
10 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST)
1.6% probability of exploitation in the next 30 days, higher than 73.5% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-06-05, last modified 2026-06-08

Is CVE-2026-49777 being exploited?

Weaponised exploit code for CVE-2026-49777 is publicly available. 3 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2026/CVE-2026-49777.yaml).

Affected products and versions

How to fix CVE-2026-49777

No vendor patch reference has been recorded for CVE-2026-49777 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-49777

1 tracked threat in the Threadlinqs corpus references CVE-2026-49777, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vulnerability database entry

Full detection coverage & IOCs for threats exploiting CVE-2026-49777 are available via the Threadlinqs MCP server (Purple tier). View plans →

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