5.4

CVE-2021-21635: jenkins project jenkins rest list parameter plugin Cross-site Scripting

CVSS: 5.4v3.1MediumModified
AliasesGHSA-x3m6-vcp7-98mr
Published 30-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21635 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in jenkins project jenkins rest list parameter plugin. EPSS estimates a 8.76% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
8.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.76%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.76% on 21-09-2026

21-09-202621-10-2026
EPSS score
8.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Io.jenkins.plugins1 product
  • rest-list-parameter< 1.3.1
Jenkins1 product
Jenkins project1 product

3 vendors · 3 products

References

5 links