Attack Vectors
Ninja Popups (WordPress plugin slug: arscode-ninja-popups) is affected by a Medium-severity Open Redirect vulnerability (CVE-2022-27861) in versions up to, and including, 4.7.7 (CVSS 4.3).
This issue can be exploited by unauthenticated attackers by crafting a link or flow that causes a visitor to be redirected to an attacker-chosen destination. The primary “delivery” methods are typically business-facing channels—email campaigns, social ads, partner referrals, QR codes, or website links—where a user can be tricked into clicking or completing an action that triggers the redirect.
Because the redirect can originate from your legitimate domain, it can be more convincing to recipients than a random external link, increasing the likelihood of successful phishing or social engineering.
Security Weakness
The vulnerability is caused by insufficient validation of a redirect URL within Ninja Popups (through version 4.7.7). In practical terms, this means the plugin may allow a redirect to a location that has not been appropriately restricted to trusted destinations.
Per the published advisory, the attacker does not need to be logged in, but user interaction is required (for example, clicking a crafted link or taking a prompted action). Reference: CVE-2022-27861 and Wordfence’s vulnerability record: Wordfence Threat Intelligence.
Remediation: Update Ninja Popups to version 4.7.8 or any newer patched version.
Technical or Business Impacts
While an Open Redirect typically does not directly expose data on its own (the CVSS score reflects no direct confidentiality impact), it can materially increase business risk by enabling high-conversion phishing and brand impersonation using your domain’s reputation.
Common business impacts include:
- Brand and customer trust erosion: Customers who click a link from your domain and land on a malicious site may attribute the experience to your organization.
- Campaign and domain reputation damage: Marketing URLs used in email and ads may be flagged, reducing deliverability and increasing acquisition costs.
- Increased fraud risk: Redirect-based phishing can be used to harvest credentials or payment details on look-alike pages, leading to account takeovers and chargebacks.
- Compliance and reporting pressure: Even without a direct breach, security incidents that affect customer trust can trigger internal escalation, vendor questionnaires, and contractual notification obligations.
For marketing leaders and executives, this is best framed as a trust and fraud enablement issue: attackers can leverage your legitimate web presence as a stepping stone to make malicious destinations seem safe.
Similar Attacks
Open Redirect weaknesses are commonly documented as a phishing enabler across many web stacks. For additional context and examples of how these issues are abused in practice, see:
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