CVE-2020-23974: Create-Project Manager 1.07 has Multi Persistent Cross-site Scripting and HTML injection in via Online chat, S

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-23974 is a medium-severity flaw (CVSS 5.4) affecting create-project manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Create-Project Manager 1.07 has Multi Persistent Cross-site Scripting and HTML injection in via Online chat, Social feed,Message(title-tag), Add new client (all-tags).

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-08-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: create-project manager project

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

Am I affected?

Timeline

2020-08-27 14:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

create-project manager project create-project manager DOWNGRADE

Affected: 1.07

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.07

1. Check installed version

apt-cache policy create-project-manager || rpm -q create-project-manager || create-project-manager --version

2. No fixed release: DOWNGRADE to a release before 1.07 (Debian / Ubuntu)

apt-cache madison create-project-manager sudo apt install create-project-manager=<VERSION_BEFORE_1.07> sudo apt-mark hold create-project-manager

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

dnf --showduplicates list create-project-manager sudo dnf downgrade create-project-manager-<VERSION_BEFORE_1.07> sudo dnf versionlock add create-project-manager

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-2020-23974?

create-project manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-23974 being exploited?

CVE-2020-23974 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-2020-23974 affect?

CVE-2020-23974 affects create-project manager. Severity is medium (CVSS 5.4). Create-Project Manager 1.07 has Multi Persistent Cross-site Scripting and HTML injection in via Online chat, Social feed,Message(title-tag), Add new client (all-tags).

How urgent is CVE-2020-23974?

Priority 36/100. Public exploit reference

References

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