CVE-2020-37111: 60CycleCMS 2.5.2 contains a cross-site scripting (XSS) vulnerability in news.php that allows attackers to inje

Routine

MEDIUM 6.1DOWNGRADE

CVE-2020-37111 is a medium-severity flaw (CVSS 6.1) affecting 60cyclecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

60CycleCMS 2.5.2 contains a cross-site scripting (XSS) vulnerability in news.php that allows attackers to inject malicious scripts through GET parameters. Attackers can craft malicious URLs with XSS payloads targeting the 'etsu' and 'ltsu' parameters to execute arbitrary scripts in victim's browsers. This issue does not involve SQL injection.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-03
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: opensourcecms

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

Am I affected?

Timeline

2026-02-03 18:16 UTCPublished CVE record published
2026-06-17 03:17 UTCUpdated Record last modified

opensourcecms 60cyclecms DOWNGRADE

Affected: 2.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.2

1. Check installed version

apt-cache policy 60cyclecms || rpm -q 60cyclecms || 60cyclecms --version

2. No fixed release: DOWNGRADE to a release before 2.5.2 (Debian / Ubuntu)

apt-cache madison 60cyclecms sudo apt install 60cyclecms=<VERSION_BEFORE_2.5.2> sudo apt-mark hold 60cyclecms

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

dnf --showduplicates list 60cyclecms sudo dnf downgrade 60cyclecms-<VERSION_BEFORE_2.5.2> sudo dnf versionlock add 60cyclecms

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-2020-37111?

60cyclecms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-37111 being exploited?

CVE-2020-37111 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-2020-37111 affect?

CVE-2020-37111 affects 60cyclecms. Severity is medium (CVSS 6.1). 60CycleCMS 2.5.2 contains a cross-site scripting (XSS) vulnerability in news.php that allows attackers to inject malicious scripts through GET parameters. Attackers can craft malicious URLs with XSS payloads targeting the 'etsu' and 'ltsu'

How urgent is CVE-2020-37111?

Priority 32/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-37110 HIGH 8.2 DOWNGRADE 60CycleCMS 2.5.2 contains an SQL injection vulnerability in news.php and common/lib.php that allows attackers

References

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