Cross-Site Scripting
4 records66.7%First: 2016. Latest: 2026.
Plugin security history
Calendar Vulnerability History & Security Timeline
The Wordfence Intelligence dataset currently contains 6 vulnerability records associated with Calendar, published between 2014 and 2026.
Dataset last synchronized: 2026-08-03 00:31:25 UTC
At a glance
Security Snapshot
6Total records
0Critical
2High
4Medium
0Low
0Informational
6Patched records
0Currently marked unpatched
2014-08-01First disclosure
2026-07-06Latest disclosure
5 of 6CVE coverage
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Year-by-Year Timeline
| Year | Records | Relative volume |
|---|---|---|
| 2014 | 1 | |
| 2016 | 1 | |
| 2018 | 1 | |
| 2024 | 1 | |
| 2025 | 1 | |
| 2026 | 1 |
Severity Breakdown
| Severity | Records | Share |
|---|---|---|
| High | 2 | 33.3% |
| Medium | 4 | 66.7% |
Vulnerability-Type Breakdown
CSRF
1 record16.7%First: 2014. Latest: 2014.
SQL Injection
1 record16.7%First: 2024. Latest: 2024.
Patch Status
- Patched
- 6
- Currently marked unpatched
- 0
- Unknown status
- 0
Patch status reflects the latest successfully synchronized source dataset and must be checked against the installed version.
Latest Known Patched Versions
1.3.181.3.171.3.151.3.111.3.81.3.3
Affected-Version History
Ranges are deduplicated by source range record and shown with the associated disclosure and known patched versions.
| Affected range | Vulnerability | Published | Patched version | Severity |
|---|---|---|---|---|
*-1.3.17 | Calendar <= 1.3.17 - Authenticated (Contributor+) Stored Cross-Site Scripting | July 6, 2026 | 1.3.18 | Medium |
*-1.3.16 | Calendar <= 1.3.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'event_desc' | December 22, 2025 | 1.3.17 | Medium |
*-1.3.14 | Calendar <= 1.3.14 - Authenticated (Contributor+) SQL Injection via Shortcode | April 29, 2024 | 1.3.15 | High |
[*, 1.3.11) | Calendar <= 1.3.10 - Authenticated Stored Cross-Site Scripting | October 30, 2018 | 1.3.11 | Medium |
[*, 1.3.8) | Calendar < 1.3.8 - Reflected Cross-Site Scripting | November 8, 2016 | 1.3.8 | High |
*-1.3.2 | Calendar <= 1.3.2 - Cross-Site Request Forgery | August 1, 2014 | 1.3.3 | Medium |
Selected source records
Latest Records
MediumCVE-2026-14827
Calendar <= 1.3.17 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published: July 6, 2026
- Affected versions
- *-1.3.17
- Patched versions
- 1.3.18
MediumCVE-2025-14548
Calendar <= 1.3.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'event_desc'
Published: December 22, 2025
- Affected versions
- *-1.3.16
- Patched versions
- 1.3.17
HighCVE-2024-2831
Calendar <= 1.3.14 - Authenticated (Contributor+) SQL Injection via Shortcode
Published: April 29, 2024
- Affected versions
- *-1.3.14
- Patched versions
- 1.3.15
MediumCVE-2018-18872
Calendar <= 1.3.10 - Authenticated Stored Cross-Site Scripting
Published: October 30, 2018
- Affected versions
- [*, 1.3.11)
- Patched versions
- 1.3.11
High
Calendar < 1.3.8 - Reflected Cross-Site Scripting
Published: November 8, 2016
- Affected versions
- [*, 1.3.8)
- Patched versions
- 1.3.8
MediumCVE-2013-2698
Calendar <= 1.3.2 - Cross-Site Request Forgery
Published: August 1, 2014
- Affected versions
- *-1.3.2
- Patched versions
- 1.3.3
Highest-Severity Records
HighCVE-2024-2831
Calendar <= 1.3.14 - Authenticated (Contributor+) SQL Injection via Shortcode
Published: April 29, 2024
- Affected versions
- *-1.3.14
- Patched versions
- 1.3.15
High
Calendar < 1.3.8 - Reflected Cross-Site Scripting
Published: November 8, 2016
- Affected versions
- [*, 1.3.8)
- Patched versions
- 1.3.8
MediumCVE-2025-14548
Calendar <= 1.3.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'event_desc'
Published: December 22, 2025
- Affected versions
- *-1.3.16
- Patched versions
- 1.3.17
MediumCVE-2026-14827
Calendar <= 1.3.17 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published: July 6, 2026
- Affected versions
- *-1.3.17
- Patched versions
- 1.3.18
MediumCVE-2018-18872
Calendar <= 1.3.10 - Authenticated Stored Cross-Site Scripting
Published: October 30, 2018
- Affected versions
- [*, 1.3.11)
- Patched versions
- 1.3.11
MediumCVE-2013-2698
Calendar <= 1.3.2 - Cross-Site Request Forgery
Published: August 1, 2014
- Affected versions
- *-1.3.2
- Patched versions
- 1.3.3
Need help reviewing an exposed WordPress website?
Running an affected version does not prove that a website was compromised. Suspicious redirects, unknown administrators, injected content, unexpected files or recurring malware may require a manual investigation.
Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.
Data Source, Attribution and Methodology
This page aggregates active Production Feed records. Counts are not software-quality rankings, and an affected version does not prove exploitation or infection. Read the full methodology.