# CVE-2026-85967: Progress MarkLogic Server cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-85967-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-85967 · Severity: medium · CVSS 6.1 · Published 2026-10-12

Progress MarkLogic Server is a database and content management system used to store and search enterprise data. A cross-site scripting (XSS) vulnerability allows a remote attacker to inject malicious scripts that execute in an authenticated user's browser, potentially leading to unauthorized actions or theft of sensitive information accessible to that user.

Technologies: [Progress Marklogic Server](https://junglewise.ai/threats/technologies/marklogic-server). Vendors: [Progress](https://junglewise.ai/threats/vendors/progress).

## Quick answers

**Is CVE-2026-85967 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85967 being exploited in the wild.

**How severe is CVE-2026-85967?** Medium severity, with a CVSS score of 6.1, published 12 October 2026.

**Which products and versions are affected?** Progress Marklogic Server 11.x before 11.3.7, 12.x before 12.1.0.

**Is there a fix for CVE-2026-85967?** Yes: fixed in MarkLogic Server 12.1.0, 11.3.7. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-85967 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-85967?** Check whether you run Progress Marklogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in MarkLogic Server 12.1.0, 11.3.7

## Technical details

A cross-site scripting (XSS) vulnerability in Progress MarkLogic Server allows remote attackers to inject and execute arbitrary JavaScript code in authenticated users' browsers without requiring special privileges. The vulnerability requires user interaction (visiting a malicious link) but operates over the network. Successful exploitation could lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

## Affected products

- Progress MarkLogic Server 11.x before 11.3.7, 12.x before 12.1.0

## Timeline

- 2026-10-12: disclosed

## References

- [https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026](https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026)

## Related threats

- [Progress MarkLogic Server HTTP response splitting in Query Console](https://junglewise.ai/threats/cve-2026-85976-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server cleartext S3 transport default](https://junglewise.ai/threats/cve-2026-85975-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server TLS hostname validation bypass](https://junglewise.ai/threats/cve-2026-85974-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server cleartext cluster-management communications](https://junglewise.ai/threats/cve-2026-85973-progress-marklogic-server-12-x-releases-before-12-1-0-may-use)
- [Progress MarkLogic Server Kerberos authentication verification bypass](https://junglewise.ai/threats/cve-2026-85972-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)