WordPress security changelog
MEDIUM CVE-2021-24613 Modified

Post Views Counter: Cross-site scripting

Post Views Counter is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS · contact@wpscan.com
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
Post Views Counter
Plugin slug
post-views-counter
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 20, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 20, 2021 and is one of 2 known issues for this plugin.

Update, patch or deactivate.

Update Post Views Counter to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Post Views Counter WordPress plugin before 1.3.5 does not sanitise or escape its Post Views Label settings, which could allow high privilege users to perform Cross-Site Scripting attacks in the frontend even when the unfiltered_html capability is disallowed

NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources