CVE-2018-5233 — Cross-site scripting (XSS) vulnerability in system/src/Grav/Common/Twig/Twig
Cross-site scripting (XSS) vulnerability in system/src/Grav/Common/Twig/Twig.php in Grav CMS before 1.3.0 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/tools.
Published
2018-03-19T21:00:00.000Z
Last modified
2024-08-05T05:33:42.799Z
01What is this vulnerability?
Cross-site scripting (XSS) vulnerability in system/src/Grav/Common/Twig/Twig.php in Grav CMS before 1.3.0 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/tools.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2018-03-19T21:00:00.000Z
- Last modified: 2024-08-05T05:33:42.799Z
09References
- sysdream.com — https://sysdream.com/news/lab/2018-03-15-cve-2018-5233-grav-cms-admin-plugin-ref…
- www.openwall.com — http://www.openwall.com/lists/oss-security/2018/03/15/1
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