PT-2022-10576 · René Hermenau · Social Media Share Buttons

Asif Nawaz + 1 · Published 2022-07-20 · Updated 2022-07-26 · CVE-2021-36849

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 René Hermenau's Social Media Share Buttons plugin versions <= 3.8.1

Description The issue is related to an Authenticated Stored Cross-Site Scripting (XSS) vulnerability. This means that an attacker with admin or higher privileges can inject malicious scripts into the application, which can then be executed by other users. The estimated number of potentially affected devices worldwide is not specified. There is no information provided about real-world incidents where this issue was exploited.

Recommendations For René Hermenau's Social Media Share Buttons plugin versions <= 3.8.1, update to a version higher than 3.8.1 to resolve the issue. As a temporary workaround, consider restricting access to the plugin's administrative interface to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-36849

Affected Products

Social Media Share Buttons

References · 5

• https://wordpress.org/plugins/mashsharer/#developers · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36849 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36849 · Security Note
• https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability · Note
• https://t.me/cibsecurity/46712 · Telegram Post