Kirki WordPress: SSRF (server-side request forgery)
Kirki WordPress
SSRF (server-side request forgery) in the Kirki WordPress component. Threat level: Critical (CVSS 9.1).
Who is affected
This vulnerability affects: Kirki WordPress. If you use this component on your site, check the version and update it as soon as possible.
How dangerous
Rating: Critical, CVSS 9.1 out of 10. Critical flaws are often exploited en masse within hours of disclosure.
What this flaw is
SSRF forces the site server to send a request on the attacker's behalf, e.g. to internal network resources normally unreachable from the outside.
It is used to map infrastructure and reach data that was meant to be hidden from the internet.
Score breakdown (CVSS vector)
What the CVSS 9.1 rating means in practice:
- The attack can be carried out remotely, over the internet.
- No login or account required.
- Requires no action from the victim.
- At risk: data confidentiality, integrity (data can be altered).
What to do
- Update the vulnerable component (Kirki WordPress) 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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