CVE-2023-25827 — Due to insufficient validation of parameters reflected in error messages by the

Due to insufficient validation of parameters reflected in error messages by the legacy HTTP query API and the logging endpoint, it is possible to inject and execute malicious JavaScript within the browser of a targeted OpenTSDB user. This issue shares the same root cause as CVE-2

01What is this vulnerability?

Due to insufficient validation of parameters reflected in error messages by the legacy HTTP query API and the logging endpoint, it is possible to inject and execute malicious JavaScript within the browser of a targeted OpenTSDB user. This issue shares the same root cause as CVE-2018-13003, a reflected XSS vulnerability with the suggestion endpoint.

02Affected products

Vendor	Product	Versions
OpenTSDB	OpenTSDB	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2023-05-03T18:36:14.126Z
• Last modified: 2025-02-12T16:23:41.269Z

09References

• www.synopsys.com — https://www.synopsys.com/blogs/software-security/opentsdb/
• github.com — https://github.com/OpenTSDB/opentsdb/pull/2274