CVE-2026-84936: unknown embedpress Improper Access Control
Vulnerability summary
CVE-2026-84936 is a medium (CVSS 5.3) Improper Access Control vulnerability in unknown embedpress. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.6.4.
Timeline
- 05-09-2026PublishedVulnerability first disclosed.
- 06-09-2026Last modifiedVulnerability information updated.
Description
The EmbedPress WordPress plugin before 4.6.4 does not have proper authorization on a public review-loading action, allowing unauthenticated users to force the site to make repeated billable third-party API requests using the site's own configured API key, and to create an unbounded number of attacker-controlled rows in the database.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
+0.12 pp
From 0.18% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- embedpress≥ 4.6.0, < 4.6.4
Wordpress1 product
- embedpress≥ 4.6.0, ≤ 4.6.3 (fixed in 4.6.4)
2 vendors · 2 products