CVE-2017-20057: A vulnerability classified as problematic has been found in Elefant CMS 1.3.12-RC

Routine

MEDIUM 4.3DOWNGRADE

CVE-2017-20057 is a medium-severity flaw (CVSS 4.3) affecting elefant cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic has been found in Elefant CMS 1.3.12-RC. Affected is an unknown function. The manipulation of the argument username leads to basic cross site scripting (Persistent). It is possible to launch the attack remotely. Upgrading to version 1.3.13 is able to address this issue. It is recommended to upgrade the affected component.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-80, CWE-79
Published	2022-06-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: elefantcms

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

Am I affected?

Timeline

2022-06-20 05:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

elefantcms elefant cms DOWNGRADE

Affected: 1.3.12 rc

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.12

1. Check installed version

apt-cache policy elefant-cms || rpm -q elefant-cms || elefant-cms --version

2. No fixed release: DOWNGRADE to a release before 1.3.12 (Debian / Ubuntu)

apt-cache madison elefant-cms sudo apt install elefant-cms=<VERSION_BEFORE_1.3.12> sudo apt-mark hold elefant-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list elefant-cms sudo dnf downgrade elefant-cms-<VERSION_BEFORE_1.3.12> sudo dnf versionlock add elefant-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-20057?

elefant cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-20057 being exploited?

CVE-2017-20057 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-2017-20057 affect?

CVE-2017-20057 affects elefant cms. Severity is medium (CVSS 4.3). A vulnerability classified as problematic has been found in Elefant CMS 1.3.12-RC. Affected is an unknown function. The manipulation of the argument username leads to basic cross site scripting (Persistent). It is possible to launch the att

How urgent is CVE-2017-20057?

Priority 27/100. No elevated risk signals yet.

Related CVEs

CVE-2017-20064 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Elefant CMS 1.3.12-RC
CVE-2017-20063 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Elefant CMS 1.3.12-RC
CVE-2017-20062 MEDIUM 5.0 DOWNGRADE A vulnerability was found in Elefant CMS 1.3.12-RC and classified as problematic
CVE-2017-20061 MEDIUM 4.3 DOWNGRADE A vulnerability has been found in Elefant CMS 1.3.12-RC and classified as problematic
CVE-2017-20060 LOW 3.5 DOWNGRADE A vulnerability, which was classified as problematic, was found in Elefant CMS 1.3.12-RC

References

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