CVE-2021-4035: A stored cross site scripting have been identified at the comments in the report creation due to an obsolote v

Routine

LOW 3.5UPGRADE

CVE-2021-4035 is a low-severity flaw (CVSS 3.5) affecting wocu monitoring. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross site scripting have been identified at the comments in the report creation due to an obsolote version of tinymce editor. In order to exploit this vulnerability, the attackers needs an account with enough privileges to view and edit reports.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-02-11
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: wocu-monitoring

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

Am I affected?

Timeline

2022-02-11 18:15 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

wocu-monitoring wocu monitoring UPGRADE

Affected: >= 0.27 and < 48.2

Fixed in: 48.2

Safe to downgrade to: a release before 0.27

1. Check installed version

apt-cache policy wocu-monitoring || rpm -q wocu-monitoring || wocu-monitoring --version

2. UPGRADE to 48.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wocu-monitoring

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wocu-monitoring

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 0.27 (Debian / Ubuntu)

apt-cache madison wocu-monitoring sudo apt install wocu-monitoring=<VERSION_BEFORE_0.27> sudo apt-mark hold wocu-monitoring

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wocu-monitoring sudo dnf downgrade wocu-monitoring-<VERSION_BEFORE_0.27> sudo dnf versionlock add wocu-monitoring

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-2021-4035?

wocu monitoring: upgrade to 48.2. Exact commands for each OS are on this page.

Is CVE-2021-4035 being exploited?

CVE-2021-4035 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-2021-4035 affect?

CVE-2021-4035 affects wocu monitoring. Severity is low (CVSS 3.5). A stored cross site scripting have been identified at the comments in the report creation due to an obsolote version of tinymce editor. In order to exploit this vulnerability, the attackers needs an account with enough privileges to view an

How urgent is CVE-2021-4035?

Priority 22/100. No elevated risk signals yet.

References

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