PT-2021-15968 · WordPress · Sign-Up Sheets

Ajay Sandipan Thorbole · Published 2021-07-12 · Updated 2021-07-15 · CVE-2021-24440

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Sign-up Sheets WordPress plugin versions prior to 1.0.14

Description The issue allows high privilege users to add JavaScript in certain fields when creating a new sheet, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard.

Recommendations For versions prior to 1.0.14, update to version 1.0.14 or later to resolve the issue. As a temporary workaround, consider restricting access to the 'All Sheets' page in the admin dashboard to minimize the risk of exploitation. Avoid using the affected fields when creating a new sheet until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24440

Affected Products

Sign-Up Sheets

References · 4

• 🔥 https://wpscan.com/vulnerability/ba4503f7-684e-4274-bc53-3aa848712496 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24440 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24440 · Vendor Advisory
• https://t.me/cvenotify/17682 · Telegram Post