Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.
CVE-2026-42612
This high-severity CVE scores 8.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.5
- EG Score
- 8.5(medium)
- EPSS
- 14.7%
- KEV
- Not listed
Published
May 11, 2026
Last Modified
May 12, 2026
Advisory Details (2)
Auto-updated May 11, 2026Publisher-Level Stored XSS via Unquoted Event Attributes · Advisory · getgrav/grav · GitHub
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5qSecurity fixes: XSS detection, SVG XXE, Zip Slip, media attribute · getgrav/grav@5a12f9b · GitHub
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| getgrav/grav | 0.8.0 ... 2.0.0-beta.1 (317 versions) | 2.0.0-beta.2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 103 total refreshes for this CVE.
- 2026-07-11 08:27 UTCEPSS rescore
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- 2026-05-23 00:07 UTCEG score recompute
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Frequently asked(5)
What is CVE-2026-42612?
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Dependency Blast Radius
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