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CVE-2021-31711: Cross Site Scripting vulnerability found in Trippo ResponsiveFilemanager v.9.14.0 and before allows a remote a

34
Routine
MEDIUM 5.4UPGRADE

CVE-2021-31711 is a medium-severity flaw (CVSS 5.4) affecting responsivefilemanager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability found in Trippo ResponsiveFilemanager v.9.14.0 and before allows a remote attacker to execute arbitrary code via the sort_by parameter in the dialog.php file.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score5.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.5% (top 58%)
CISA exploited listNo
WeaknessCWE-79
Published2023-05-09
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: responsivefilemanager

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

responsivefilemanager responsivefilemanager UPGRADE
Affected: <= 9.4.10
Fixed in: newer than 9.4.10
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy responsivefilemanager || rpm -q responsivefilemanager || responsivefilemanager --version
2. UPGRADE to newer than 9.4.10 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade responsivefilemanager
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade responsivefilemanager
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-31711?

responsivefilemanager: upgrade to newer than 9.4.10. Exact commands for each OS are on this page.

Is CVE-2021-31711 being exploited?

CVE-2021-31711 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-31711 affect?

CVE-2021-31711 affects responsivefilemanager. Severity is medium (CVSS 5.4). Cross Site Scripting vulnerability found in Trippo ResponsiveFilemanager v.9.14.0 and before allows a remote attacker to execute arbitrary code via the sort_by parameter in the dialog.php file.

How urgent is CVE-2021-31711?

Priority 34/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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