PT-2022-9495 · WordPress · Add Subtitle

Francesco Carlucci · Published 2022-03-14 · Updated 2022-03-20 · CVE-2021-24897

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Add Subtitle WordPress plugin versions prior to 1.1.1

Description The issue allows users with a role as low as contributor to perform Cross-Site Scripting attacks due to the lack of sanitization or escaping of the sub-title field when output in the page. This field is available only with the classic editor.

Recommendations For Add Subtitle WordPress plugin versions prior to 1.1.1, update to version 1.1.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of the classic editor or limiting contributor roles to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24897

Affected Products

Add Subtitle

References · 3

• 🔥 https://wpscan.com/vulnerability/a0dd1da8-f8d2-453d-a2f2-711a49fb6466 · Exploit
• https://osv.dev/vulnerability/CVE-2021-24897 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24897 · Security Note