---
title: "CVE-2021-21616: Jenkins Active Choices Plugin vulnerability | CubePath"
description: "Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS)…"
language: en
source: https://cubepath.com/security/cve/CVE-2021-21616
---

# CVE-2021-21616: Jenkins Active Choices Plugin vulnerability | CubePath

## Description

Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Official description from the CVE record, published by jenkins. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-21616)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.76218 (76.2% probability)

Percentile

99.5%

Scores of

Nov 10, 2026

Model

v2026.06.15

## Affected products

Products listed in the CVE record, as the CNA published them.

- Jenkins Active Choices Plugin

  - affected: unspecified up to 2.5.2

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [jenkins.io/security/advisory/2021-02-24](https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2192)
- [\[oss-security\] 20210224 Multiple vulnerabilities in Jenkins plugins](http://www.openwall.com/lists/oss-security/2021/02/24/3)  (openwall.com) mailing-list

## Timeline

1. ID reserved Jan 4, 2021
2. Record published Feb 24, 2021
3. Record last updated Aug 3, 2024

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:05 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)