CVE-2022-26555: A stored cross-site scripting (XSS) vulnerability in the Add a Button function of Eova v1.6.0 allows attackers

Routine

MEDIUM 5.4DOWNGRADE

CVE-2022-26555 is a medium-severity flaw (CVSS 5.4) affecting eova. 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 Add a Button function of Eova v1.6.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the button name text box.

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	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-03-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: eova

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

Am I affected?

Timeline

2022-03-20 19:15 UTCPublished CVE record published
2026-06-17 04:35 UTCUpdated Record last modified

eova eova DOWNGRADE

Affected: 1.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.0 (Debian / Ubuntu)

apt-cache madison eova sudo apt install eova=<VERSION_BEFORE_1.6.0> sudo apt-mark hold eova

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

dnf --showduplicates list eova sudo dnf downgrade eova-<VERSION_BEFORE_1.6.0> sudo dnf versionlock add eova

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-2022-26555?

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

Is CVE-2022-26555 being exploited?

CVE-2022-26555 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-2022-26555 affect?

CVE-2022-26555 affects eova. Severity is medium (CVSS 5.4). A stored cross-site scripting (XSS) vulnerability in the Add a Button function of Eova v1.6.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the button name text box.

How urgent is CVE-2022-26555?

Priority 33/100. Public exploit reference

References

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