CVE-2020-19660: Cross Site Scripting (XSS) pandao editor.md 1.5.0 allows attackers to execute arbitrary code via crafted linke

Routine

MEDIUM 6.1DOWNGRADE

CVE-2020-19660 is a medium-severity flaw (CVSS 6.1) affecting editor.md. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) pandao editor.md 1.5.0 allows attackers to execute arbitrary code via crafted linked url values.

Why this priority

No elevated risk signals yet

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	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ipandao

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

Am I affected?

Timeline

2023-05-08 14:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

ipandao editor.md DOWNGRADE

Affected: 1.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.0

1. Check installed version

apt-cache policy editor.md || rpm -q editor.md || editor.md --version

2. No fixed release: DOWNGRADE to a release before 1.5.0 (Debian / Ubuntu)

apt-cache madison editor.md sudo apt install editor.md=<VERSION_BEFORE_1.5.0> sudo apt-mark hold editor.md

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

dnf --showduplicates list editor.md sudo dnf downgrade editor.md-<VERSION_BEFORE_1.5.0> sudo dnf versionlock add editor.md

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-2020-19660?

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

Is CVE-2020-19660 being exploited?

CVE-2020-19660 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-2020-19660 affect?

CVE-2020-19660 affects editor.md. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) pandao editor.md 1.5.0 allows attackers to execute arbitrary code via crafted linked url values.

How urgent is CVE-2020-19660?

Priority 30/100. No elevated risk signals yet.

Related CVEs

CVE-2020-19698 MEDIUM 6.1 DOWNGRADE Cross Site Scripting vulnerability found in Pandao Editor.md v.1.5.0 allows a remote attacker to execute arbit
CVE-2020-19697 MEDIUM 6.1 DOWNGRADE Cross Site Scripting vulnerability found in Pandao Editor.md v.1.5.0 allows a remote attacker to execute arbit

References

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