PT-2021-22044 · WordPress · Post Title Counter

P7E4 · Published 2021-09-10 · Updated 2021-09-15 · CVE-2021-38326

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: Post Title Counter WordPress plugin versions up to and including 1.1

Description: The issue allows attackers to inject arbitrary web scripts via the notice parameter found in the ~/post-title-counter.php file, enabling Reflected Cross-Site Scripting attacks.

Recommendations: For versions up to and including 1.1, update to a version that fixes this issue to prevent Reflected Cross-Site Scripting attacks. As a temporary workaround, consider restricting access to the ~/post-title-counter.php file or disabling the notice parameter until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-38326

Affected Products

Post Title Counter

References · 5

• 🔥 https://plugins.trac.wordpress.org/browser/post-title-counter/tags/1.1/post-title-counter.php#L87 · Exploit
• https://osv.dev/vulnerability/CVE-2021-38326 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38326 · Security Note
• https://t.me/cvenotify/20902 · Telegram Post
• https://wordfence.com/vulnerability-advisories/#CVE-2021-38326 · Note