How severe is CVE-2023-25827?

CVE-2023-25827 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2023-25827 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25827?

CVE-2023-25827 affects Opentsdb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25827?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-25827 published?

CVE-2023-25827 was published on 2023-05-03 and last updated on 2026-06-17.

CVE-2023-25827

CVE-2023-25827 is a high-severity vulnerability in Opentsdb with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opentsdb
Published: 2023-05-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-25827?: 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.
How severe is CVE-2023-25827?: CVE-2023-25827 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2023-25827 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25827?: CVE-2023-25827 affects Opentsdb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25827?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-25827 published?: CVE-2023-25827 was published on 2023-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opentsdb:opentsdb:*:*:*:*:*:*:*:*

More vulnerabilities in Opentsdb

CVE-2023-36812 — Critical (CVSS 9.8): OpenTSDB is a open source, distributed, scalable Time Series Database (TSDB). OpenTSDB is vulnerable to Remote Code…
CVE-2023-25826 — Critical (CVSS 9.8): Due to insufficient validation of parameters passed to the legacy HTTP query API, it is possible to inject crafted OS…
CVE-2020-35476 — Critical (CVSS 9.8): A remote code execution vulnerability occurs in OpenTSDB through 2.4.0 via command injection in the yrange parameter.…
CVE-2018-12972 — Critical (CVSS 9.8): An issue was discovered in OpenTSDB 2.3.0. Many parameters to the /q URI can execute commands, including o, key, style,…
CVE-2018-13003 — Medium (CVSS 6.1): An issue was discovered in OpenTSDB 2.3.0. There is XSS in parameter 'type' to the /suggest URI.
CVE-2018-12973 — Medium (CVSS 6.1): An issue was discovered in OpenTSDB 2.3.0. There is XSS in parameter 'json' to the /q URI.

All CVEs affecting Opentsdb →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →