# CVE-2025-65091: XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService

> Attackers can exploit SQL injection in the XWiki Full Calendar Macro to read database information or cause denial of service.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 10 Jan 2026
- **Updated:** 12 Jan 2026
- **Also known as:** GHSA-2g22-wg49-fgv5

## What is CVE-2025-65091?

CVE-2025-65091 is a critical SQL injection vulnerability in xwiki-contrib macro-fullcalendar, published on 10 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

XWiki Full Calendar Macro displays objects from the wiki on the calendar. Prior to version 2.4.5, users with the right to view the Calendar.JSONService page (including guest users) can exploit a SQL injection vulnerability by accessing database info or starting a DoS attack. This issue has been patched in version 2.4.5.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2025-65091?

2 open source packages ship an affected version, including org.xwiki.contrib:macro-fullcalendar-pom. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.xwiki.contrib:macro-fullcalendar-pom` | Maven | All versions | 2.4.5 |
| `org.xwiki.contrib:macro-fullcalendar-pom` | Maven | All versions | 2.4.5 |

Products: Xwiki Full Calendar Macro.

## How do I fix CVE-2025-65091?

Upgrade org.xwiki.contrib:macro-fullcalendar-pom to 2.4.5 or later.

## Is CVE-2025-65091 being exploited?

There is no known exploitation of CVE-2025-65091 in the wild and no public exploit code.

## Other vulnerabilities in xwiki-contrib macro-fullcalendar

- [CVE-2025-65090](https://insights.sbomify.com/CVE-2025-65090/): XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-65091 and fix it if it is affected.

What it is: CVE-2025-65091 is a critical SQL injection vulnerability in xwiki-contrib macro-fullcalendar, published on 10 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-65091 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.xwiki.contrib:macro-fullcalendar-pom (Maven): affected all versions; fixed in 2.4.5
- org.xwiki.contrib:macro-fullcalendar-pom (Maven): affected all versions; fixed in 2.4.5

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-65091/ (Markdown: https://insights.sbomify.com/CVE-2025-65091/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-65091
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-65091
- OSV: https://osv.dev/vulnerability/CVE-2025-65091

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-65091/
Summaries are generated and may contain mistakes; the official description above is the record.