CVE-2026-57678: Reflected XSS in ThemePunch Slider Revolution 7.0.0–7.0.16

Technical summary

CVE-2026-57678 is a reflected XSS vulnerability (CWE-79) in ThemePunch Slider Revolution caused by improper neutralization of user-supplied input during web page generation. The vulnerability exists in versions 7.0.0 through 7.0.16. With a CVSS v3.1 score of 7.1 (HIGH), the attack vector is network-based, requires no special privileges, and relies on user interaction (clicking a malicious link). The scope is changed, meaning the vulnerable component can affect resources beyond its intended security scope, and impacts confidentiality, integrity, and availability in a limited capacity.

Business impact

Websites using affected versions of Slider Revolution are exposed to credential theft, session hijacking, malware distribution, and website defacement through reflected XSS attacks. Attackers can impersonate users, steal authentication tokens, redirect visitors to malicious sites, or inject phishing content. The impact extends to brand reputation damage and potential regulatory exposure if customer data is compromised. The reliance on user interaction (clicking a link) makes phishing campaigns a viable attack vector.

Affected systems

ThemePunch Slider Revolution versions 7.0.0 through 7.0.16 are affected. Any WordPress installation running one of these versions is potentially vulnerable if the plugin is installed and activated. The vulnerability does not require authentication to exploit, making all public-facing WordPress sites using vulnerable versions at risk.

Exploitability

This is a reflected XSS vulnerability with moderate exploitability. No authentication is required, the network attack vector is straightforward, and the attack complexity is low. However, successful exploitation requires user interaction—specifically, a victim must click on an attacker-crafted link or visit a malicious website embedding the payload. This makes the vulnerability well-suited for phishing campaigns but less suitable for mass automated attacks. No evidence of active in-the-wild exploitation has been reported at the time of publication.

Remediation

Organizations must update Slider Revolution to a patched version beyond 7.0.16. Administrators should verify patch availability from ThemePunch through the official plugin repository or vendor website. In the interim, consider disabling the plugin if it is non-critical, restricting access to administration panels, and reviewing WordPress security logs for signs of exploitation.

Patch guidance

Update Slider Revolution to the latest available version that addresses this vulnerability. Check the ThemePunch official website or WordPress.org plugin repository for version 7.0.17 or later (verify against the vendor advisory for the exact patched version). Test updates in a staging environment before deploying to production, as slider configurations should be validated post-update. Enable automatic plugin updates if your WordPress configuration permits, or establish a regular patch management schedule for all plugins.

Detection guidance

Monitor web server logs and WordPress logs for unusual query parameters in requests to Slider Revolution-related pages and endpoints. Look for encoded or obfuscated script tags (script, onerror, onload, etc.) in GET request parameters. Implement a Web Application Firewall (WAF) with rules to detect and block reflected XSS payloads. Endpoint Detection and Response (EDR) tools can flag suspicious JavaScript execution in browsers. WordPress security plugins can log plugin-related suspicious activity if configured appropriately.

Why prioritize this

With a CVSS score of 7.1 (HIGH) and affecting a widely-used WordPress plugin with network exposure, this vulnerability warrants rapid remediation. The reflected nature reduces immediate risk compared to stored XSS, but the low attack complexity and lack of authentication requirements mean attackers can quickly weaponize this in phishing campaigns. Organizations should prioritize patching within 1-2 weeks, especially if Slider Revolution is customer-facing.

Risk score, explained

The CVSS v3.1 score of 7.1 reflects a HIGH-severity vulnerability. The score is driven by network accessibility (AV:N), low attack complexity (AC:L), no privilege requirement (PR:N), and required user interaction (UI:R). While the impact on confidentiality, integrity, and availability is limited (L:L:L), the changed scope (S:C) elevates the risk by demonstrating that the vulnerability can affect the security posture of the broader application. This is a meaningful threat to active websites but not a critical system-level compromise vector.

Frequently asked questions