CVE-2022-25875 Cross-site Scripting (XSS)
Medium 5.4
Published
Updated
Check this codebase for CVE-2022-25875 and fix it if it is affected.
What it is: CVE-2022-25875 is a medium-severity vulnerability in svelte, published on 12 Jul 2022.
Exploitation: There is no known exploitation of CVE-2022-25875 in the wild and no public exploit code.
Affected packages and fixed versions:
- svelte (npm): affected all versions; fixed in 3.49.0
- svelte (npm): affected all versions; fixed in 3.49.0
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-2022-25875/ (Markdown: https://insights.sbomify.com/CVE-2022-25875/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2022-25875?
CVE-2022-25875 is a medium-severity vulnerability in svelte, published on 12 Jul 2022.
Official description
The package svelte before 3.49.0 are vulnerable to Cross-site Scripting (XSS) due to improper input sanitization and to improper escape of attributes when using objects during SSR (Server-Side Rendering). Exploiting this vulnerability is possible via objects with a custom toString() function.
Weakness: CWE-79
Which versions are affected by CVE-2022-25875?
2 open source packages ship an affected version, including svelte. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
svelte npm | All versions | 3.49.0 |
svelte npm | All versions | 3.49.0 |
Products include Svelte Svelte.
How do I fix CVE-2022-25875?
Upgrade svelte to 3.49.0 or later.
Is CVE-2022-25875 being exploited?
There is no known exploitation of CVE-2022-25875 in the wild and no public exploit code.
Other vulnerabilities in svelte
- CVE-2021-29261 Code injection in n/a
- CVE-2026-42567 Svelte: ReDoS in `<svelte:element>` Tag Validation
- CVE-2024-45047 Potential mXSS vulnerability due to improper HTML escaping in svelte
- CVE-2026-42573 Svelte: XSS via DOM Clobbering of Internal Framework State
- CVE-2026-27901 Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`
Sources
Also known as GHSA-wv8q-r932-8hc7, SNYK-JS-SVELTE-2931080.