CVE-2026-97347
Post Views Stats Counter <= 1.1.7 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header
- Published
- Sep 30, 2026
- Updated
- Sep 30, 2026
- Assigning CNA
- Wordfence
- Evidence observed
- Nov 4, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 25.3%
- Model date
- Nov 4, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The Post Views Stats Counter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via User-Agent Header in all versions up to, and including, 1.1.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The plugin's only input filter is a substring blacklist for known bot signatures (e.g. 'bot', 'spider', 'crawler'), which can be trivially bypassed by crafting a User-Agent payload that omits those strings.
Sources
Proof-of-concept for CVE-2026-97347, an unauthenticated stored XSS in the Post Views Stats Counter WordPress plugin via the User-Agent header, with reproduction steps.
Responsible use
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