CVE-2024-7877: simply schedule XSS — Exploit

Description

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Notification settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

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CVSS v3.1 Score

4.8

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
nsqua	simply_schedule_appointments	< 1.6.7.55

References

Exploits

https://wpscan.com/vulnerability/fbec3738-2135-458d-be25-1ffb00e6deb6/

Frequently Asked Questions

What is CVE-2024-7877? +

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Notification settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2024-7877? +

CVE-2024-7877 has a CVSS v3.1 score of 4.8 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-2024-7877? +

CVE-2024-7877 affects products from nsqua, specifically: simply_schedule_appointments. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-7877? +

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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CVE-2024-7877