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About Kama SpamBlock
Kama Spamblock is a plugin that effectively prevents automatic spam comments without the need for captcha codes. It not only blocks spam comments but also checks pings and trackbacks for authenticity. It is valuable to use even if you have an external comment system like Disqus as it defends against autospam directly to the 'wp-comments-post.php' file.Screenshots


Changelog
1.8.3
- FIX: XSS vulnerability fixed. Thanks to Wordfence for the report.
- IMP: Other minor improvements.
1.8.2
- Minor refactoring.
1.8.1
- Code refactoring.
kama_spamblock__process_comment_typeshook added.
1.8
- FIX: WordPress 5.5 support.
1.7.5
- FIX: bug with unique code comparison.
- Minor code fixes.
1.7.4
- CHG: changed sanitize-options-on-save function – sanitize_key() to sanitize_html_class() – it’s not so hard but hard enough…
- CHG: ‘sanitize_setting’ function call. Seems it doesn’t have back-compat for WordPress versions less than 4.7.
1.7.3
- FIX: options fix of 1.7.2.
1.7.2
- CHG: moved translation to translation.wordpress.org.
- ADD: new ‘unique code’ option.
- IMP: some code improvements.
1.7.0
- BUG: Last UP bug fix…
1.6.0
- CHG: check logic is slightly changed in order to work correctly with page cache plugins.
1.5.2
- ADD: deleted is_singular check for themes where this check works incorrectly. Now plugin JS is shown on all pages.
1.5.1
- ADD: JS included from a number of hooks if there is no “wp_footer” hook in the theme.
1.5.0
- ADD: Russian localization.