On December the 9th, 2021, Apache published a severe vulnerability called Log4shell (and other Log4j-related vulnerabilities).
How to scan your services quickly, basically with log4j-scan from fullhunt, but using cisagov:
git clone https://github.com/cisagov/log4j-scanner.git cd log4-scanner/
The easiest way is to create a list of all URLs you want to check:
nano urls.txt
https://techsaviours.org https://meet.techsaviours.org https://searx.techsaviours.org
python log4j-scan.py -l urls.txt --waf-bypass --run-all-tests
or just a url
python log4j-scan.py -u https://techsaviours.org --waf-bypass --run-all-tests