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CVE-2026-78265
WordPress The Events Calendar plugin <= 6.17.2 - PHP Object Injection vulnerability
Critical9.8EPSS 0.56%
- Published
- Updated
- Reserved
- Assigned by
- Patchstack
Description
Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| PatchstackCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.56% · top 53% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected n/a – ≤ 6.17.2
What to do
Solution: Update the WordPress The Events Calendar Plugin to the latest available version (at least 6.17.3).
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-78265)Record last updated .