CVE-2025-9876

6.4 MEDIUM

📋 TL;DR

The Ird Slider WordPress plugin has a stored cross-site scripting vulnerability that allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. These scripts execute whenever users view the compromised pages, potentially stealing credentials or performing unauthorized actions. This affects all WordPress sites using Ird Slider version 1.0.2 or earlier.

💻 Affected Systems

Products:
  • WordPress Ird Slider Plugin
Versions: All versions up to and including 1.0.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Ird Slider plugin enabled. Contributor-level access or higher is needed to exploit.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator credentials, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users, potentially leading to complete site compromise.

🟠

Likely Case

Attackers with contributor access inject malicious scripts that steal user session cookies or credentials, leading to account takeover and further site compromise.

🟢

If Mitigated

With proper user role management and content review processes, the impact is limited to potential defacement or minor data leakage from affected pages.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once attacker has contributor privileges.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/ird-slider

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Ird Slider and click 'Update Now'. 4. Verify update to version 1.0.3 or later.

🔧 Temporary Workarounds

Disable Ird Slider Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate ird-slider

Restrict User Roles

all

Remove contributor access or implement stricter role-based access controls

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads in shortcode attributes
  • Review and audit all posts/pages created by contributors for suspicious content

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Ird Slider version 1.0.2 or earlier

Check Version:

wp plugin get ird-slider --field=version

Verify Fix Applied:

Verify Ird Slider plugin version is 1.0.3 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual shortcode usage in post/page edits
  • Multiple failed login attempts followed by successful contributor login

Network Indicators:

  • Unexpected JavaScript payloads in HTTP POST requests to wp-admin/post.php

SIEM Query:

source="wordpress" AND (event="post_edit" OR event="plugin_activity") AND plugin="ird-slider" AND version<="1.0.2"

🔗 References

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