CVE-2023-3977

Public Exploit

Description

Several plugins for WordPress by Inisev are vulnerable to Cross-Site Request Forgery to unauthorized installation of plugins due to a missing nonce check on the handle_installation function that is called via the inisev_installation AJAX aciton in various versions. This makes it possible for unauthenticated attackers to install plugins from the limited list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.64%

Third-Party Advisory wordfence.com

Affected: steve85b SSL Mixed Content Fix

Affected: copydeleteposts Duplicate Post

Affected: socialsharepro Social Share Icons & Social Share Buttons

Affected: cl272 Ultimate Posts Widget

Affected: migrate Backup Migration

Affected: popups Pop-up

Affected: socialdude Redirection

Affected: migrate Clone

Affected: socialdude Social Media Share Buttons & Social Sharing Icons

Affected: s-feeds RSS Redirect & Feedburner Alternative

Affected: cl272 Enhanced Text Widget

References

Link	Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/ab7c8926-c762-49b1-bc97-4b7a2f4f97fc?source=cve	third party advisory
https://plugins.trac.wordpress.org/browser/feedburner-alternative-and-rss-redirect/tags/3.7/modules/banner/misc.php#L427	exploit
https://plugins.trac.wordpress.org/browser/ultimate-social-media-icons/tags/2.8.0/banner/misc.php#L424	exploit
https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.3.8/banner/misc.php#L426	exploit
https://plugins.trac.wordpress.org/browser/wp-clone-by-wp-academy/tags/2.3.7/modules/banner/misc.php#L438	exploit
https://plugins.trac.wordpress.org/browser/enhanced-text-widget/tags/1.5.6/banner/misc.php#L339	exploit
https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.2.7/includes/banner/misc.php#L427	exploit
https://plugins.trac.wordpress.org/browser/redirect-redirection/tags/1.1.3/includes/banner/misc.php#L427	exploit
https://plugins.trac.wordpress.org/browser/ultimate-posts-widget/tags/2.2.4/banner/misc.php#L343	exploit
https://plugins.trac.wordpress.org/browser/http-https-remover/tags/3.2.3/banner/misc.php#L427	exploit
https://plugins.trac.wordpress.org/browser/pop-up-pop-up/tags/1.1.9/modules/banner/misc.php#L427	exploit
https://plugins.trac.wordpress.org/changeset?old_path=%2Fcopy-delete-posts%2Ftags%2F1.3.8&old=2923021&new_path=%2Fcopy-delete-posts%2Ftags%2F1.3.9&new=2923021&sfp_email=&sfph_mail=	patch
https://plugins.trac.wordpress.org/browser/ultimate-social-media-icons/tags/2.8.2/banner/misc.php#L434	exploit
https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.4.0/banner/misc.php#L434	exploit
https://plugins.trac.wordpress.org/browser/wp-clone-by-wp-academy/tags/2.3.8/modules/banner/misc.php#L432	exploit
https://plugins.trac.wordpress.org/browser/enhanced-text-widget/tags/1.5.7/banner/misc.php#L351	exploit
https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.2.8/includes/banner/misc.php#L434	exploit
https://plugins.trac.wordpress.org/browser/ultimate-posts-widget/tags/2.2.5/banner/misc.php#L351	exploit
https://plugins.trac.wordpress.org/browser/pop-up-pop-up/tags/1.2.0/modules/banner/misc.php#L432	exploit
https://plugins.trac.wordpress.org/browser/ultimate-social-media-plus/tags/3.5.7/banner/misc.php#L424	exploit
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2823769%40http-https-remover%2Ftags%2F3.2.3&new=2944114%40http-https-remover%2Ftags%2F3.2.4	patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2823770%40feedburner-alternative-and-rss-redirect%2Ftags%2F3.7&new=2944116%40feedburner-alternative-and-rss-redirect%2Ftags%2F3.8#file115	patch
https://plugins.trac.wordpress.org/changeset/2944041/ultimate-social-media-plus/tags/3.5.8/banner/misc.php?old=2823720&old_path=ultimate-social-media-plus%2Ftags%2F3.5.7%2Fbanner%2Fmisc.php	patch

Frequently Asked Questions

What is the severity of CVE-2023-3977?: CVE-2023-3977 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3977?: To fix CVE-2023-3977, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3977 being actively exploited in the wild?: It is possible that CVE-2023-3977 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3977?: CVE-2023-3977 affects steve85b SSL Mixed Content Fix, copydeleteposts Duplicate Post, socialsharepro Social Share Icons & Social Share Buttons, cl272 Ultimate Posts Widget, migrate Backup Migration, popups Pop-up, socialdude Redirection, migrate Clone, socialdude Social Media Share Buttons & Social Sharing Icons, s-feeds RSS Redirect & Feedburner Alternative, cl272 Enhanced Text Widget.