CVE-2017-18081 — The signupUser resource in Atlassian Bamboo before version 6.3.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the value of the csrf token cookie

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MEDIUM

The signupUser resource in Atlassian Bamboo before version 6.3.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the value of the csrf token cookie

Published Feb 2, 2018

6.1

MEDIUM

CVSS 3.0

EPSS 0.81%

Description

The signupUser resource in Atlassian Bamboo before version 6.3.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the value of the csrf token cookie.

Affected products

Vendor Atlassian Product Bamboo Default
n/a
- Version
  prior to 6.3.1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Atlassian

Bamboo

n/a

Version	Status	Constraints
prior to 6.3.1	affected	-

Remediation

No remediation recorded yet.

Metrics

0.81% 0.00809

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00809

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.81% (0.00809)	55.33th	v5 (v2026.06.15)
Sep 20, 2026	0.81% (0.00809)	55.35th	v5 (v2026.06.15)
Jul 20, 2024	0.10% (0.00096)	40.87th	v3 (v2023.03.01)
Sep 3, 2023	0.10% (0.00095)	39.34th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00113)	43.05th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.78% (0.00785)	22.12th	v5 (v2026.06.15)
Apr 14, 2021	0.78% (0.00785)	0.00th	v1

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (2)

http://www.securityfocus.com/bid/103087
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://jira.atlassian.com/browse/BAM-19665
x_refsource_CONFIRMIssue TrackingVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/103087		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://jira.atlassian.com/browse/BAM-19665		x_refsource_CONFIRMIssue TrackingVendor Advisory