CVE-2026-109935: medium-severity vulnerability in Otter Blocks
Otter Blocks < 3.2.8 - Unauthenticated Restricted Block Content Disclosure via REST API
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
The Otter Blocks WordPress plugin before 3.2.8 does not enforce its block visibility conditions when a published post is rendered through the WordPress REST API, allowing unauthenticated users to read block content that the site owner restricted to specific roles, logged-in users, the post author, categories or tags, or (on the Pro tier) Stripe purchasers.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Otter Blockspublic PoCs found — 1
cve_referencewpscan.com/vulnerability/f19dbe9c-f172-4eb8-8bfc-d21660aaa739/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Otter Blocks
In the same product, most dangerous first.
CVE-2024-2729MEDIUMOtter Blocks < 2.6.6 - Contributor+ Stored XSSEPSS 0.4%CVE-2026-109933MEDIUMOtter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style AttributesEPSS 0.3%CVE-2026-109936HIGHOtter Blocks < 3.2.8 - Unauthenticated Stored XSS via Dynamic Content Render FilterEPSS 0.3%CVE-2026-109934MEDIUMOtter Blocks 3.1.1 - 3.2.7 - Unauthenticated Non-Public Content Disclosure via REST APIEPSS 0.3%CVE-2026-109937MEDIUMOtter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout BlockEPSS 0.1%