CVE-2020-19266: A stored cross-site scripting (XSS) vulnerability in the index.php/Dswjcms/Site/articleList component of Dswjc

Routine

MEDIUM 6.1DOWNGRADE

CVE-2020-19266 is a medium-severity flaw (CVSS 6.1) affecting dswjcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross-site scripting (XSS) vulnerability in the index.php/Dswjcms/Site/articleList component of Dswjcms 1.6.4 allows attackers to execute arbitrary web scripts or HTML.

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	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dswjcms project

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

Am I affected?

Timeline

2021-09-09 18:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

dswjcms project dswjcms DOWNGRADE

Affected: 1.6.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.4

1. Check installed version

apt-cache policy dswjcms || rpm -q dswjcms || dswjcms --version

2. No fixed release: DOWNGRADE to a release before 1.6.4 (Debian / Ubuntu)

apt-cache madison dswjcms sudo apt install dswjcms=<VERSION_BEFORE_1.6.4> sudo apt-mark hold dswjcms

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

dnf --showduplicates list dswjcms sudo dnf downgrade dswjcms-<VERSION_BEFORE_1.6.4> sudo dnf versionlock add dswjcms

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-2020-19266?

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

Is CVE-2020-19266 being exploited?

CVE-2020-19266 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-2020-19266 affect?

CVE-2020-19266 affects dswjcms. Severity is medium (CVSS 6.1). A stored cross-site scripting (XSS) vulnerability in the index.php/Dswjcms/Site/articleList component of Dswjcms 1.6.4 allows attackers to execute arbitrary web scripts or HTML.

How urgent is CVE-2020-19266?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-19268 MEDIUM 5.7 DOWNGRADE A cross-site request forgery (CSRF) in index.php/Dswjcms/User/tfAdd of Dswjcms 1.6.4 allows authenticated atta
CVE-2020-19267 CRITICAL 9.8 DOWNGRADE An issue in index.php/Dswjcms/Basis/resources of Dswjcms 1.6.4 allows attackers to execute arbitrary code via
CVE-2020-19265 MEDIUM 6.1 DOWNGRADE A stored cross-site scripting (XSS) vulnerability in the index.php/Dswjcms/Basis/links component of Dswjcms 1.

References

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