How severe is CVE-2020-1943?

No CVSS score has been assigned to CVE-2020-1943 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2020-1943?

Affected package information for CVE-2020-1943 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2020-1943?

No fixed release is recorded for CVE-2020-1943 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

How do I detect CVE-2020-1943 in my code and dependencies?

Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

How do I mitigate CVE-2020-1943 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-2020-1943 actively exploited in the wild?

No public exploit code has been indexed for CVE-2020-1943 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2020-1943?

CVE-2020-1943 has an EPSS (Exploit Prediction Scoring System) score of 97.3%, placing it in the 100th 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. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2020-1943?

CVE-2020-1943 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.

Is there exploit tooling available for CVE-2020-1943?

A Nuclei detection template exists for CVE-2020-1943, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2020-1943 published, and has it been updated?

CVE-2020-1943 was published on April 1, 2020 and was last updated on August 4, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

Not in CISA KEV

CVE-2020-1943 — Apache

CVE-2020-1943 is a Cross-site Scripting (XSS) vulnerability. EPSS puts its 30-day exploitation probability at 97.3% (100th percentile). No vendor fix is recorded yet; mitigation options are listed below.

Data sent with contentId to /control/stream is not sanitized, allowing XSS attacks in Apache OFBiz 16.11.01 to 16.11.07.

Published

Apr 1, 2020

Updated

Aug 4, 2024

Affected

1 product

Patched

See advisory

Exploits

None indexed

Exploitation data as of Oct 26, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

97.3%probability of exploitation in next 30 days

Very High Risk0.00%

Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk

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

Description

Data sent with contentId to /control/stream is not sanitized, allowing XSS attacks in Apache OFBiz 16.11.01 to 16.11.07.

Affected Products

1 product · 1 configurations

Application

ofbizapache

≥ 16.11.01 && ≤ 16.11.07

range

Detection & mitigation playbook

Vulnerability

Detect
Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).
Remediation status
No fixed release is recorded for CVE-2020-1943 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.
Mitigate without a patch
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.

How to detect CVE-2020-1943

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2020-1943 -u https://target

Template: Apache OFBiz <=16.11.07 - Cross-Site Scripting
Severity: medium
Impact: Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
Remediation: Upgrade Apache OFBiz to a version higher than 16.11.07 to mitigate this vulnerability.

Template by ProjectDiscovery nuclei-templates (pdteam), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

Data sent with contentId to /control/stream is not sanitized, allowing XSS attacks in Apache OFBiz 16.11.01 to 16.11.07.

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CVE-2020-1943 — Apache

EPSS Exploitation Probability

Description

Affected Products

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

How to detect CVE-2020-1943

Frequently Asked Questions

Is CVE-2020-1943 in your dependencies?