How severe is CVE-2016-0712?

CVE-2016-0712 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2016-0712?

CVE-2016-0712 affects the following packages: org.apache.portals.jetspeed-2:jetspeed (Maven). Ecosystems affected: Maven.

How do I fix CVE-2016-0712?

Update org.apache.portals.jetspeed-2:jetspeed to 2.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-0712 is resolved across your whole dependency graph.

How do I detect CVE-2016-0712 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.portals.jetspeed-2:jetspeed, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2016-0712 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is CVE-2016-0712 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2016-0712, including 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2016-0712?

CVE-2016-0712 has an EPSS (Exploit Prediction Scoring System) score of 3.2%, placing it in the 88th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2016-0712?

CVE-2016-0712 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2016-0712 published, and has it been updated?

CVE-2016-0712 was published on May 17, 2022 and was last updated on November 8, 2023. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

MEDIUM severity

CVE-2016-0712 — jetspeed

MEDIUM

CVE-2016-0712 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in org.apache.portals.jetspeed-2:jetspeed. 2 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for org.apache.portals.jetspeed-2:jetspeed — see the affected versions and patch details below.

Cross-site Scripting in Apache Jetspeed

Published

May 17, 2022

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

2 known

Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

3.2%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs88th percentile — riskier than 88% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

☕org.apache.portals.jetspeed-2:jetspeed

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Cross-site scripting (XSS) vulnerability in Apache Jetspeed before 2.3.1 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to portal.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.portals.jetspeed-2:jetspeed`	all versions	2.3.1`org.apache.portals.jetspeed-2:jetspeed:2.3.1`

Affected Products

1 product · 1 configurations

Application

jetspeedapache

≤ 2.3.0

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross-site scripting (XSS) vulnerability in Apache Jetspeed before 2.3.1…

mail-archives.apache.orgNVDApr 2016

Report on portals.apache.org

portals.apache.orgNVDApr 2016

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.portals.jetspeed-2:jetspeed, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.portals.jetspeed-2:jetspeed to 2.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-0712 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Cross-site scripting (XSS) vulnerability in Apache Jetspeed before 2.3.1 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to portal.

O3 Security · Impact-Aware SCA

Is CVE-2016-0712 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.1/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No Nuclei template or Metasploit module yet. 2 public proof-of-concept references are listed on this page.

Timeline

First exploit

Apr 20, 2016

Disclosed

May 17, 2022

Last updated

Nov 8, 2023

Identifiers

CVE-2016-0712

References

Advisorynvd.nist.gov · CVE 2016 0712 Webmail-archives.apache.org · <F868DBFC A05C 4ABB 8B91 [email protected]>Webportals.apache.org · security reports

Related vulnerabilities

Also affects jetspeed

This CVE is medium severity; 2 of 2 other CVEs affecting jetspeed are rated as high or higher (top: high).

CVE-2016-0710CVE-2016-0709

Same weakness: CWE-79

This CVE is medium severity; 6 of 6 other CVEs with CWE-79 are rated as high or higher (top: critical).

CVE-2026-44267CVE-2026-96632CVE-2026-9086CVE-2026-118246CVE-2026-118251CVE-2026-118253Browse all CWE-79

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedNov 8, 2023