CVE-2021-24149 Modern Events Calendar Lite < 5.16.6 - Authenticated SQL Injection

What is CVE-2021-24149?

CVE-2021-24149 is a high-severity SQL injection vulnerability in Unknown Modern Events Calendar Lite, published on 18 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Unvalidated input in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.6, did not sanitise the mec[post_id] POST parameter in the mec_fes_form AJAX action when logged in as an author+, leading to an authenticated SQL Injection issue.

Weakness: CWE-89

Which versions are affected by CVE-2021-24149?

It affects 1 product.

Products include Webnus Modern Events Calendar Lite.

How do I fix CVE-2021-24149?

No fix has been published for CVE-2021-24149 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2021-24149 being exploited?

There is no known exploitation of CVE-2021-24149 in the wild and no public exploit code.

Other vulnerabilities in Unknown Modern Events Calendar Lite

• CVE-2021-24946 Modern Events Calendar < 6.1.5 - Unauthenticated Blind SQL Injection Critical 9.8
• CVE-2021-24146 Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export High 7.5
• CVE-2021-24145 Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE High 7.2
• CVE-2021-24925 Modern Events Calendar Lite < 6.1.5 - Reflected Cross-Site Scripting Medium 6.1
• CVE-2021-4458 Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection Medium 5.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5xcq-547q-fvjw.