CVE-2023-34253
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Grav Server-side Template Injection (SSTI) via Denylist Bypass Vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | getgrav/grav | <1.7.42 | 1.7.42 |
References
- https://github.com/getgrav/grav/security/advisories/GHSA-j3v8-v77f-fvgm
- https://nvd.nist.gov/vuln/detail/CVE-2023-34253
- https://github.com/getgrav/grav/commit/244758d4383034fe4cd292d41e477177870b65ec
- https://github.com/getgrav/grav/commit/71bbed12f950de8335006d7f91112263d8504f1b
- https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8
- https://github.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5
- https://github.com/getgrav/grav
- https://github.com/getgrav/grav/blob/1.7.40/system/src/Grav/Common/Utils.php#L1952-L2190
- https://huntr.dev/bounties/3ef640e6-9e25-4ecb-8ec1-64311d63fe66
- https://www.github.com/getgrav/grav/commit/9d6a2dba09fd4e56f5cdfb9a399caea355bfeb83
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.