CVE-2020-35127: Ignite Realtime Openfire 4.6.0 has plugins/bookmarks/create-bookmark.jsp Stored XSS.

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-35127 is a medium-severity flaw (CVSS 5.4) affecting openfire. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ignite Realtime Openfire 4.6.0 has plugins/bookmarks/create-bookmark.jsp Stored XSS.

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 53%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: igniterealtime

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

Am I affected?

Timeline

2020-12-11 05:15 UTCPublished CVE record published
2026-06-17 03:13 UTCUpdated Record last modified

igniterealtime openfire DOWNGRADE

Affected: 4.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.6.0 (Debian / Ubuntu)

apt-cache madison openfire sudo apt install openfire=<VERSION_BEFORE_4.6.0> sudo apt-mark hold openfire

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

dnf --showduplicates list openfire sudo dnf downgrade openfire-<VERSION_BEFORE_4.6.0> sudo dnf versionlock add openfire

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-2020-35127?

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

Is CVE-2020-35127 being exploited?

CVE-2020-35127 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-2020-35127 affect?

CVE-2020-35127 affects openfire. Severity is medium (CVSS 5.4). Ignite Realtime Openfire 4.6.0 has plugins/bookmarks/create-bookmark.jsp Stored XSS.

How urgent is CVE-2020-35127?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2024-25421 CRITICAL 9.8 UPGRADE An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via th
CVE-2024-25420 HIGH 7.2 UPGRADE An issue in Ignite Realtime Openfire before 4.8.1 allows a remote attacker to escalate privileges via the admi
CVE-2023-32315 HIGH 8.6 EXPLOITED UPGRADE Ignite Realtime Openfire Path Traversal Vulnerability
CVE-2021-45967 CRITICAL 9.8 UPGRADE UPGRADE An issue was discovered in Pascom Cloud Phone System before 7.20.x
CVE-2020-24604 MEDIUM 6.1 DOWNGRADE A Reflected XSS vulnerability was discovered in Ignite Realtime Openfire version 4.5.1

References

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