CVE-2026-116828 YesWiki before 4.7.0 SQL Injection via despam.php INTERVAL operand
Medium 6.9
Published
Updated
Check this codebase for CVE-2026-116828 and fix it if it is affected.
What it is: CVE-2026-116828 is a medium-severity vulnerability in yeswiki, published on 26 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-116828 in the wild and no public exploit code.
Affected product: yeswiki. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-116828/ (Markdown: https://insights.sbomify.com/CVE-2026-116828/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116828?
CVE-2026-116828 is a medium-severity vulnerability in yeswiki, published on 26 Oct 2026.
Official description
YesWiki before 4.7.0 contains a sql injection vulnerability in despam.php where the from parameter is escaped but placed in an unquoted INTERVAL position. Authenticated administrators can inject SQL via the from POST parameter to perform blind reads of the database including user password hashes.
Weakness: CWE-89
Which versions are affected by CVE-2026-116828?
How do I fix CVE-2026-116828?
No fix has been published for CVE-2026-116828 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116828 being exploited?
There is no known exploitation of CVE-2026-116828 in the wild and no public exploit code.
Sources
Also known as GHSA-hxwq-9qc3-4972, GHSA-w7cp-76pj-w4m5.