CVE-2024-55878 Cross-site Scripting vulnerability in SimpleXLSXEx::readXfs and SimpeXLSX::toHTMLEx
Medium 6.8
Published
Updated
Check this codebase for CVE-2024-55878 and fix it if it is affected.
What it is: CVE-2024-55878 is a medium-severity vulnerability in shuchkin simplexlsx, published on 12 Dec 2024.
Exploitation: There is no known exploitation of CVE-2024-55878 in the wild and no public exploit code.
Affected packages and fixed versions:
- shuchkin/simplexlsx (Packagist): affected from 1.0.12; fixed in 1.1.12
- shuchkin/simplexlsx (Packagist): affected from 1.0.12; fixed in 1.1.12
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-2024-55878/ (Markdown: https://insights.sbomify.com/CVE-2024-55878/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2024-55878?
CVE-2024-55878 is a medium-severity vulnerability in shuchkin simplexlsx, published on 12 Dec 2024.
Official description
SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in version 1.0.12 and prior to version 1.1.12, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. Version 1.1.12 fixes the issue. As a workaround, don't use direct publication via toHTMLEx.
Weakness: CWE-79
Which versions are affected by CVE-2024-55878?
2 open source packages ship an affected version, including shuchkin/simplexlsx.
| Package | Affected | Fixed in |
|---|---|---|
shuchkin/simplexlsx Packagist | From 1.0.12 | 1.1.12 |
shuchkin/simplexlsx Packagist | From 1.0.12 | 1.1.12 |
How do I fix CVE-2024-55878?
Upgrade shuchkin/simplexlsx to 1.1.12 or later.
Is CVE-2024-55878 being exploited?
There is no known exploitation of CVE-2024-55878 in the wild and no public exploit code.
Sources
Also known as GHSA-x6mh-rjwm-8ph7.