How severe is CVE-2021-36785?

CVE-2021-36785 has a CVSS score of 8.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2021-36785?

CVE-2021-36785 affects the following packages: miniorange/miniorange-saml (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2021-36785?

Update miniorange/miniorange-saml to 1.4.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-36785 is resolved across your whole dependency graph.

How do I detect CVE-2021-36785 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for miniorange/miniorange-saml, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2021-36785 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-2021-36785 actively exploited in the wild?

No public exploit code has been indexed for CVE-2021-36785 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-2021-36785?

CVE-2021-36785 has an EPSS (Exploit Prediction Scoring System) score of 0.5%, placing it in the 41th 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-2021-36785?

CVE-2021-36785 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-2021-36785 published, and has it been updated?

CVE-2021-36785 was published on August 30, 2021 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.

🐘

🐘 Packagist

Not in CISA KEV

HIGH severity

CVE-2021-36785 — miniorange-saml

HIGHFix: miniOrangeDev/miniorange-saml-typo3-sso@1fe2802

CVE-2021-36785 is a high-severity (CVSS 8.5) Cross-site Scripting (XSS) vulnerability in miniorange/miniorange-saml. A fix is available for miniorange/miniorange-saml — see the affected versions and patch details below.

Cross-site Scripting in TYPO3 extension

Published

Aug 30, 2021

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Oct 7, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

0.5%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs41th percentile — riskier than 41% of all scored CVEsHighest risk

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

How urgent is this, really

CVE-2021-36785 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,386 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected

🐘miniorange/miniorange-saml

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

Description

The miniorange_saml (aka Miniorange Saml) extension before 1.4.3 for TYPO3 allows XSS.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`miniorange/miniorange-saml`	all versions	1.4.3`composer require miniorange/miniorange-saml:^1.4.3`

Affected Products

1 product · 1 configurations

Application

samlminiorange

< 1.4.3

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for miniorange/miniorange-saml, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update miniorange/miniorange-saml to 1.4.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-36785 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

The miniorange_saml (aka Miniorange Saml) extension before 1.4.3 for TYPO3 allows XSS.

O3 Security · Impact-Aware SCA

Is CVE-2021-36785 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

8.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Aug 30, 2021

Last updated

Nov 8, 2023

Identifiers

CVE-2021-36785

References

Advisorynvd.nist.gov Webgithub.com Webtypo3.org Webtypo3.org Packagegithub.com

Related vulnerabilities

Also affects miniorange/miniorange-saml

This CVE is high severity, in line with the other 1 CVE affecting miniorange/miniorange-saml.

CVE-2021-36786

Same weakness: CWE-79

This CVE is high severity; 1 of 7 other CVEs with CWE-79 is rated as high or higher (top: high).

CVE-2026-91127CVE-2026-77606CVE-2026-84992CVE-2026-77608CVE-2026-77607GHSA-9rcc-pmj8-ffhrCVE-2026-77616Browse all CWE-79

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedNov 8, 2023