Auth bypass in Getgrav Grav-Plugin-Star-Ratings
CVE-2026-109323
Grav Star Ratings 2.0.1 through 2.0.3 contains a missing authorization vulnerability that allows unauthenticated visitors to vote by bypassing client-only vote_access and readonly enforcement. Attackers can use the anonymous nonce emitted by getData() to submit votes directly to addVote(), manipulating restricted or disabled ratings and aggregate rating output.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-556j-6jh2-5rcv (vendor-advisory, third-party-advisory)
- www.vulncheck.com/advisories/grav-star-ratings-2.0.1-through-2.0.3-missing-serv… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109323?
- CVE-2026-109323 is a medium-severity vulnerability in Getgrav Grav-Plugin-Star-Ratings, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-10-12.
- How severe is CVE-2026-109323?
- Medium severity. CVSS v3 base score is 5.3 out of 10.