Security Digest · Vulnerability record
CVE-2026-44179: xwiki-pro-macros has remote code execution from page title and content via excerpt-include macro
xwiki-pro-macros has remote code execution from page title and content via excerpt-include macro
CVSS 9.9 Critical
Should you act?
Critical, preconditions apply
Severe if exploited, but exploitation needs conditions that may not apply to you. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- No confirmed exploitation. It is not in CISA’s KEV catalog. That can change quickly after a public write-up; re-check if you are affected.
- Needs an account (low (any account)). Exposure depends on who can log in.
- Only applies if your dependency tree includes
com.xwiki.pro:xwiki-pro-macros(Maven) >= 1.13, < 1.14.5, fixed in 1.14.5. Check your lockfile, including transitive dependencies.
What it is
From the GitHub advisory
Summary The excerpt-include macro does not properly escape the title of the included page and executes the content of the excerpt with the macro's rights. Therefore, it is vulnerable to XWiki syntax injection via the included page's title and content, allowing remote code execution for any user who can edit a page.
Details The title of the included page isn't escaped in ExcerptInclude.xml#L277. Further, the content of the excerpt macro is rendered to XWiki syntax and output into the macro's content such that it is executed with the macro's rights.
PoC 1. As a user without script or programming right, create a page named Exploit. 2. In the edit screen, change the title to {{async}}{{groovy}}println("Hello from Groovy Title!"){{/groovy}}{{/async}}. 3. Set the content to
4. Save and view the page. 5. If this displays "Hello from Groovy Title!" without the surrounding macro code or "Hello from Groovy content!", the attack succeeded.
Impact Remote code execution impacts the confidentiality, integrity and availability of the whole XWiki installation.
Weakness type: CWE-95.
Product: com.xwiki.pro:xwiki-pro-macros (Maven) · Published: 2026-06-22
Affected and fixed versions
| Ecosystem | Package | Vulnerable | First fixed |
|---|---|---|---|
| Maven | com.xwiki.pro:xwiki-pro-macros | >= 1.13, < 1.14.5 | 1.14.5 |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- Attack vector: network (remotely reachable)
- Attack complexity: low
- Privileges required: low (any account)
- User interaction: none
- Scope: changed (can affect other components)
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
Timeline
- — GitHub-reviewed advisory GHSA-w56x-9778-rppx published (critical)
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vulnerability records
- GitHub Advisory GHSA-w56x-9778-rppx github.com
- CVE.org record CVE-2026-44179 cve.org
- NVD entry CVE-2026-44179 nvd.nist.gov
Other references from the CVE record and advisory
- github.com github.com