Vulnerability details
CVE-2026-78265
Nexcess The Events Calendar
WordPress The Events Calendar plugin <= 6.17.2 - PHP Object Injection vulnerability
CVSS 3.1
9.8Critical
Official description
Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (Patchstack) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Nexcess | The Events Calendar | v ≤ 6.17.2 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-08-25
- Last updated
- 2026-08-25
- State
- Published
- Assigner (CNA)
- Patchstack
Exploit prediction (EPSS)
0.56%
Probability of exploitation in 30 days
47%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-502Deserialization of Untrusted Data