CVE-2022-4902: A vulnerability classified as problematic has been found in eXo Chat Application

Q: How do I fix CVE-2022-4902?

chat application: upgrade to 3.3.0-202204117. Exact commands for each OS are on this page.

Q: Is CVE-2022-4902 being exploited?

CVE-2022-4902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4902 affect?

CVE-2022-4902 affects chat application. Severity is low (CVSS 3.5). A vulnerability classified as problematic has been found in eXo Chat Application. Affected is an unknown function of the file application/src/main/webapp/vue-app/components/ExoChatMessageComposer.vue of the component Mention Handler. The ma

Q: How urgent is CVE-2022-4902?

Priority 24/100. No elevated risk signals yet.

Routine

LOW 3.5UPGRADE

CVE-2022-4902 is a low-severity flaw (CVSS 3.5) affecting chat application. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic has been found in eXo Chat Application. Affected is an unknown function of the file application/src/main/webapp/vue-app/components/ExoChatMessageComposer.vue of the component Mention Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 3.3.0-20220417 is able to address this issue. The name of the patch is 26bf307d3658d1403cfd5c3ad423ce

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	Low
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: exoplatform

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

Am I affected?

Timeline

2023-02-06 19:15 UTCPublished CVE record published
2026-06-17 05:22 UTCUpdated Record last modified

exoplatform chat application UPGRADE

Affected: < 3.3.0-202204117

Fixed in: 3.3.0-202204117

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chat-application || rpm -q chat-application || chat-application --version

2. UPGRADE to 3.3.0-202204117 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chat-application

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chat-application

Note

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

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-2022-4902?

chat application: upgrade to 3.3.0-202204117. Exact commands for each OS are on this page.

Is CVE-2022-4902 being exploited?

CVE-2022-4902 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-2022-4902 affect?

CVE-2022-4902 affects chat application. Severity is low (CVSS 3.5). A vulnerability classified as problematic has been found in eXo Chat Application. Affected is an unknown function of the file application/src/main/webapp/vue-app/components/ExoChatMessageComposer.vue of the component Mention Handler. The ma

How urgent is CVE-2022-4902?

Priority 24/100. No elevated risk signals yet.

References

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