PT-2021-22071 · WordPress · Osd Subscribe Wordpress Plugin

P7E4 · Published 2021-09-10 · Updated 2021-09-15 · CVE-2021-38351

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OSD Subscribe WordPress plugin versions up to and including 1.2.3

Description The issue allows attackers to inject arbitrary web scripts via the osd subscribe message parameter found in the ~/options/osd subscribe options subscribers.php file, enabling Reflected Cross-Site Scripting attacks.

Recommendations For versions up to and including 1.2.3, consider disabling the osd subscribe message parameter in the ~/options/osd subscribe options subscribers.php file as a temporary workaround until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-38351

Affected Products

Osd Subscribe Wordpress Plugin

References · 5

• 🔥 https://plugins.trac.wordpress.org/browser/osd-subscribe/tags/1.2.3/options/osd_subscribe_options_subscribers.php#L86 · Exploit
• https://osv.dev/vulnerability/CVE-2021-38351 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38351 · Security Note
• https://wordfence.com/vulnerability-advisories/#CVE-2021-38351 · Note
• https://t.me/cibsecurity/28674 · Telegram Post