PT-2022-22088 · WordPress · Corner Ad

Marco Wotschka · Published 2022-12-15 · Updated 2022-12-19 · CVE-2022-3427

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Corner Ad plugin for WordPress versions up to, and including, 1.0.56

Description The issue is related to Cross-Site Request Forgery due to missing or incorrect nonce validation on its corner ad settings page function. This allows unauthenticated attackers to trigger the deletion of ads via forged requests if they can trick a site administrator into performing an action such as clicking on a link.

Recommendations For Corner Ad plugin for WordPress versions up to, and including, 1.0.56, update to a version higher than 1.0.56 to resolve the issue. As a temporary workaround, consider restricting access to the corner ad settings page function until a patch is available.

Exploit

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2022-3427

Affected Products

Corner Ad

References · 7

• 🔥 https://plugins.trac.wordpress.org/browser/corner-ad/trunk/corner-ad.php?rev=2782613#L240 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-3427 · Security Note
• https://osv.dev/vulnerability/CVE-2022-3427 · Vendor Advisory
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2765630%40corner-ad%2Ftrunk&old=2719671%40corner-ad%2Ftrunk&sfp_email=&sfph_mail= · Patch
• https://wordfence.com/threat-intel/vulnerabilities/id/0a6c5e9a-754f-41c8-b27b-caa133b5070f · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/0a6c5e9a-754f-41c8-b27b-caa133b5070f?source=cve · Note
• https://t.me/cibsecurity/54637 · Telegram Post