CVE-2021-27578
Cross Site Scripting in markdown interpreter
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
CVE-2021-27578- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross Site Scripting in markdown interpreter
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
CVE-2021-27578- Updated
- 2026-11-02
EUVDEUVD-2021-2094 No score
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
EUVD-2021-2094- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mf7q-gw5f-q8jj
Cross-site Scripting in Apache Zeppelin
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
GHSA-mf7q-gw5f-q8jj- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
CVE-2021-27578- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-mf7q-gw5f-q8jj
Cross-site Scripting in Apache Zeppelin
Cross Site Scripting vulnerability in markdown interpreter of Apache Zeppelin allows an attacker to inject malicious scripts. This issue affects Apache Zeppelin Apache Zeppelin versions prior to 0.9.0.
- Record
GHSA-mf7q-gw5f-q8jj- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.zeppelin:zeppelinMaven |
before 0.9.0 | 0.9.0 |
org.apache.zeppelin:zeppelinMaven |
before 0.9.0, plus listed versions 0.5.0-incubating0.6.00.6.10.6.20.7.0 Show 6 moreShow less0.7.10.7.20.7.30.8.00.8.10.8.2 |
0.9.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27578 is a medium vulnerability (CVSS 6.1) in Apache Zeppelin, published September 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.23%, the 88th percentile. Fixed in org.apache.zeppelin:zeppelin 0.9.0.
References
lists.apache.org/thread.html/r90590aa5ea788128ecc2e822e1e64d5200b4cb92b06707b38da4cb3d%40%3Cusers.zeppelin.apache.org%3E
openwall.com/lists/oss-security/2021/09/02/3
security.gentoo.org/glsa/202311-04
nvd.nist.gov/vuln/detail/CVE-2021-27578
Show 5 moreShow less
github.com/advisories/GHSA-mf7q-gw5f-q8jj