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CVE-2020-13633

Fork CMS Cross-site Scripting Vulnerability

6.1 MediumFix available

Fork before 5.8.3 allows XSS via navigation_title or title.

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

0.68%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
CVE-2020-13633
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
CVE-2020-13633
Updated
2026-11-02
EUVDEUVD-2022-2913 No score

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
EUVD-2022-2913
Updated
2026-11-03
GitHub AdvisoriesGHSA-74gc-hf33-5353 6.1

Fork CMS Cross-site Scripting Vulnerability

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
GHSA-74gc-hf33-5353
CVSS 3.1
6.1 MediumCVSS: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 6.1

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
CVE-2020-13633
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-74gc-hf33-5353 6.1

Fork CMS Cross-site Scripting Vulnerability

Fork before 5.8.3 allows XSS via navigation_title or title.

Record
GHSA-74gc-hf33-5353
CVSS 3.1
6.1 MediumCVSS: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

Affected packages
PackageAffectedFixed
forkcms/forkcms
Packagist
before 5.8.3
5.8.3
forkcms/forkcms
Packagist
before 5.8.3, plus listed versions
3.5.03.5.13.6.03.6.13.6.2
Show 45 moreShow less
3.6.33.6.43.6.53.6.63.73.7.13.7.23.7.33.8.03.8.13.8.23.8.33.8.43.8.53.8.63.8.73.9.03.9.13.9.23.9.33.9.43.9.53.9.64.0.04.0.14.0.24.0.34.0.44.0.54.0.64.1.04.1.14.1.24.2.04.2.14.2.24.2.34.2.44.3.04.3.14.4.04.4.14.5.04.5.14.5.2
5.8.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13633 is a medium vulnerability (CVSS 6.1) in Fork-cms Fork Cms, published May 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. Fixed in forkcms/forkcms 5.8.3.

References

This page doesn't list everything

Left out here: 31 versions. The JSON record has them.

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