CVE-2024-31435: Missing Authorization in Inisev Social Media & Share Icons Plugin—Patch Guidance

Technical summary

This vulnerability stems from insufficient authorization validation (CWE-862) in the Inisev Social Media & Share Icons plugin. The plugin fails to properly verify user permissions before allowing modifications to certain operations, creating a gap between the intended access control model and what is actually enforced. The attack vector is network-based with low complexity and requires user interaction (CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N), meaning an attacker must socially engineer a victim into triggering the malicious action. The impact is limited to integrity—unauthorized modifications can occur—while confidentiality and availability remain unaffected.

Business impact

Organizations relying on Inisev Social Media & Share Icons for content distribution and sharing functionality face risk of unauthorized modifications to plugin settings or shared content. While the vulnerability does not expose sensitive data, it could allow attackers to alter how content is shared across social platforms or change plugin configurations without authorization, potentially damaging brand trust or redirecting audience engagement. The low-to-moderate severity suggests this is unlikely to be a critical business blocker, but it warrants timely remediation to prevent supply-chain or reputational damage through content tampering.

Affected systems

Inisev Social Media & Share Icons plugin versions 2.8.6 and earlier are affected. The vulnerability applies across all installations of this plugin regardless of deployment context. Organizations should identify all instances of this plugin in their WordPress environments or integrated systems and verify the installed version number.

Exploitability

This vulnerability has moderate exploitability. While it requires user interaction (a victim must click a link or visit a malicious page), the attack does not require authentication or special privileges from the attacker. Once the user interaction occurs, the attacker can perform unauthorized actions with minimal complexity. The vulnerability is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, indicating no widespread active exploitation has been publicly documented at this time. However, the relatively simple nature of authorization bypasses means threat actors may develop exploits once disclosure increases awareness.

Remediation

Update the Inisev Social Media & Share Icons plugin to a version newer than 2.8.6 as soon as a patched release becomes available. Verify against the official Inisev plugin repository or vendor advisory for the specific patch version. If an immediate patch is unavailable, consider temporarily disabling the plugin or restricting access to plugin settings through administrative controls. Organizations should also audit recent plugin activity logs to identify whether any unauthorized modifications have occurred.

Patch guidance

Vendors should apply the latest security update from Inisev addressing CVE-2024-31435. Organizations should prioritize this update in non-emergency maintenance windows but deploy it before the next major release cycle. Testing in a staging environment is recommended to ensure compatibility with existing configurations. Verify the patched version number against the official Inisev advisory to confirm you are deploying the correct fix.

Detection guidance

Monitor plugin access logs for unusual or unauthorized modifications to social media share settings or plugin configurations. Look for POST requests to plugin endpoints that lack proper authorization headers or cookies. Use Web Application Firewalls (WAF) to detect patterns of unauthorized parameter modification. Inspect audit logs for changes made by unexpected users or during atypical hours. If available, enable verbose logging on the affected plugin to track which users or IP addresses are triggering modifications.

Why prioritize this

While CVE-2024-31435 carries a MEDIUM severity rating (CVSS 4.3) and is not yet in active widespread exploitation, it affects content integrity and plugin configuration security. Organizations with public-facing content distribution via the Inisev plugin should prioritize this update to prevent unauthorized modifications. The requirement for user interaction lowers urgency compared to zero-click exploits, but the simplicity of authorization bypasses warrants attention within your standard patching cycle.

Risk score, explained

The CVSS 4.3 score reflects a vulnerability with network accessibility and low attack complexity, but mitigated by the requirement for user interaction and limitation to integrity impact only. No confidentiality or availability impact is present. The missing authorization flaw is common and relatively straightforward to exploit once triggered, but the reliance on social engineering to deliver the attack keeps the overall severity in the MEDIUM range rather than HIGH.

Frequently asked questions