CVE-2024-1762: social networks XSS — Fix

Description

The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HTTP_USER_AGENT header in all versions up to, and including, 4.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the victim to select view "All Cron Events" in order for the injection to fire.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
nextscripts	social_networks_auto_poster	< 4.4.4

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3084635%40social-networks-auto-poster-facebook-twitter-g%2Ftrunk&old=3004433%40social-networks-auto-poster-facebook-twitter-g%2Ftrunk&sfp_email=&sfph_mail=#file17 https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3084635%40social-networks-auto-poster-facebook-twitter-g%2Ftrunk&old=3004433%40social-networks-auto-poster-facebook-twitter-g%2Ftrunk&sfp_email=&sfph_mail=#file17

Other References

https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/NextScripts_SNAP.php#L74 https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/inc/nxs_functions_engine.php#L117 https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/inc/nxs_functions_engine.php#L125 https://www.wordfence.com/threat-intel/vulnerabilities/id/8063a545-4792-4ab7-b188-0e51a0fcfed4?source=cve https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/NextScripts_SNAP.php#L74 https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/inc/nxs_functions_engine.php#L117 https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/inc/nxs_functions_engine.php#L125 https://www.wordfence.com/threat-intel/vulnerabilities/id/8063a545-4792-4ab7-b188-0e51a0fcfed4?source=cve

Frequently Asked Questions

What is CVE-2024-1762? +

The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HTTP_USER_AGENT header in all versions up to, and including, 4.4.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the victim to select view "All Cron Events" in order for the injection to fire. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-1762? +

CVE-2024-1762 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-1762? +

CVE-2024-1762 affects products from nextscripts, specifically: social_networks_auto_poster. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1762? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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