CVE-2026-1854 describes a Stored Cross-Site Scripting (XSS) vulnerability in the Post Flagger plugin for WordPress, affecting all versions up to and including 1.1. This flaw allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts via the 'flag' shortcode due to insufficient input sanitization. These scripts execute automatically when a user accesses an injected page, potentially leading to information disclosure or unauthorized actions. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Nosoycesaros | Post Flagger | >= 0, <= 1.1CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.