Supply Chain Backdoor RCE in Product Slider Pro for WooCommerce
CVE-2026-49777 affects ShapedPlugin, LLC Product Slider Pro for WooCommerce, a WordPress plugin. The available content describes the issue as an improper validation of specified quantity in input vulnerability that allows malicious software to be implanted, and multiple references characterize it as a supply-chain backdoor leading to remote code execution. Affected versions are reported as versions before 3.5.4, while some supporting references mention before 3.5.3; the provided material does not resolve this discrepancy. The technical root cause and vulnerable function are not disclosed in the supplied content, so more specific exploit mechanics cannot be stated with confidence.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A supply-chain backdoor remote code execution vulnerability affecting WordPress Product Slider Pro for WooCommerce versions earlier than 3.5.4.
A vulnerability in ShapedPlugin Product Slider Pro for WooCommerce that allows malicious software implantation, affecting versions before 3.5.3.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.