GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
A vulnerability has been found in GibbonEdu Gibbon up to 30.0.01. The affected element is the function makeBlock of the file modules/Planner/units_add_blockAjax.php of the component Unit Planner. The manipulation of the argument gibbonUnitBlockID/mode leads to missing authentication. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 31.0.00 is sufficient to fix this issue. The identifier of the patch is 07e719368eae8dfb4e22e19424ceab6074164ebc. It is recommended to upgrade the affected component.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Gibbon (GibbonEdu) Fixed in 31.0.00
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97864
- 2026-10-03 Alias added: GHSA-whgc-w9f2-pcrv
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More gibbonedu vulnerabilities
- TI-2023-24630 GibbonEdu Gibbon version 25.0.1 and before allows Arbitrary File Write because… CVSS 3.1CRITICAL 9.8
- TI-2024-16254 Gibbon through 26.0.00 allows /modules/School%20Admin/messengerSettings.php Server Side… CVSS 3.1CRITICAL 9.8
- TI-2023-17331 Gibbon v25.0.0 is vulnerable to a Local File Inclusion (LFI) where it's possible to… CVSS 3.1CRITICAL 9.8
- TI-2024-16255 Gibbon through 26.0.00 allows remote authenticated users to conduct PHP deserialization… CVSS 3.1HIGH 8.8
- TI-2023-24632 GibbonEdu Gibbon through version 25.0.0 allows Directory Traversal via the report… CVSS 3.1HIGH 7.2
- TI-2026-07228 SQL injection in gibbonedu gibbon CVSS 4.0HIGH 7.0
Sources
- CVE-2026-97864 · CVE Program
- CVE-2026-97864 · NVD
- FIRST EPSS
- GHSA-whgc-w9f2-pcrv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences