WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel: remote code execution (RCE)
WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel
Remote code execution (RCE) in the WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel component. Threat level: High (CVSS 8.8).
Who is affected
This vulnerability affects: WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel. If you use this component on your site, check the version and update it as soon as possible.
How dangerous
Rating: High, CVSS 8.8 out of 10. It is worth acting before the flaw is exploited.
What this flaw is
Remote code execution (RCE) is the most dangerous class of flaw. It lets an attacker run their own code on your server, usually remotely and without logging in.
In practice it means a full takeover of the site and server: content replacement, data theft, backdoor installation. Such flaws are exploited en masse and automatically, often within hours of disclosure.
Score breakdown (CVSS vector)
What the CVSS 8.8 rating means in practice:
- The attack can be carried out remotely, over the internet.
- Requires an ordinary, low-privileged account.
- Requires no action from the victim.
- At risk: data confidentiality, integrity (data can be altered), site availability.
Weakness class: CWE-94.
What to do
- Update the vulnerable component (WP Ultimate CSV Importer – WordPress Import & Export for CSV, XML & Excel) to the latest version.
- If a patch is not out yet, temporarily disable the vulnerable element.
- Check whether the site has already been attacked: unusual files, new administrator accounts, redirects.
- Make a backup before you start making changes.
Does this flaw affect your site?
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