CVE-2025-8682

4.3 MEDIUM

📋 TL;DR

The Newsup WordPress theme has a vulnerability that allows unauthenticated attackers to install the ansar-import plugin without proper authorization. This affects all WordPress sites using Newsup theme versions up to and including 5.0.10. Attackers can exploit this to install potentially malicious plugins on vulnerable sites.

💻 Affected Systems

Products:
  • Newsup WordPress Theme
Versions: All versions up to and including 5.0.10
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Newsup theme active.

⚠️ 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 install malicious plugins that provide persistent backdoor access, execute arbitrary code, or compromise the entire WordPress installation.

🟠

Likely Case

Attackers install plugins that create admin accounts, inject malicious content, or establish footholds for further attacks.

🟢

If Mitigated

With proper web application firewalls and security monitoring, unauthorized installation attempts are blocked and logged.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires sending crafted HTTP requests to vulnerable endpoints without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 5.0.10

Vendor Advisory: https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=292407%40newsup&new=292407%40newsup&sfp_email=&sfph_mail=

Restart Required: No

Instructions:

1. Update Newsup theme to latest version via WordPress admin panel. 2. Verify theme version is greater than 5.0.10. 3. Remove any suspicious plugins installed via this vulnerability.

🔧 Temporary Workarounds

Disable Newsup Theme

all

Switch to a different WordPress theme until patched

Web Application Firewall Rule

all

Block requests to the vulnerable newsup_admin_info_install_plugin() function

🧯 If You Can't Patch

  • Implement strict network access controls to limit exposure
  • Enable comprehensive logging and monitoring for unauthorized plugin installation attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for Newsup theme version 5.0.10 or earlier

Check Version:

wp theme list --field=name,version --status=active

Verify Fix Applied:

Verify Newsup theme version is greater than 5.0.10 and check for any unauthorized ansar-import plugins

📡 Detection & Monitoring

Log Indicators:

  • HTTP POST requests to Newsup theme admin endpoints without authentication
  • Unexpected plugin installation events
  • ansar-import plugin appearing in logs

Network Indicators:

  • Unusual outbound connections after plugin installation
  • Requests to known malicious domains from newly installed plugins

SIEM Query:

source="wordpress" AND (event="plugin_installed" OR event="theme_updated") AND (plugin_name="ansar-import" OR theme_name="newsup")

🔗 References

📤 Share & Export