CVE-2020-29444: atlassian confluence_data_center
Vulnerability summary
CVE-2020-29444 is a medium (CVSS 5.4) vulnerability in atlassian confluence_data_center. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.5% of scored vulnerabilities.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 07-05-2021PublishedVulnerability first disclosed.
- 12-02-2025Last modifiedVulnerability information updated.
Description
Affected versions of Team Calendar in Confluence Server before 7.11.0 allow attackers to inject arbitrary HTML or Javascript via a Cross Site Scripting Vulnerability in admin global setting parameters.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.93%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.93% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- confluence_data_center< 7.11.0
- confluence_server≥ unspecified, < 7.11.0 | < 7.11.0
1 vendor · 2 products