CVE-2023-30453: The Teamlead Reminder plugin through 2.6.5 for Jira allows persistent XSS via the message parameter.

Q: How do I fix CVE-2023-30453?

reminder: upgrade to newer than 2.6.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-30453 being exploited?

CVE-2023-30453 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-2023-30453 affect?

CVE-2023-30453 affects reminder. Severity is medium (CVSS 5.4). The Teamlead Reminder plugin through 2.6.5 for Jira allows persistent XSS via the message parameter.

Q: How urgent is CVE-2023-30453?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2023-30453 is a medium-severity flaw (CVSS 5.4) affecting reminder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Teamlead Reminder plugin through 2.6.5 for Jira allows persistent XSS via the message parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: teamlead

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

Am I affected?

Timeline

2023-06-16 16:15 UTCPublished CVE record published
2026-06-17 05:54 UTCUpdated Record last modified

teamlead reminder UPGRADE

Affected: <= 2.6.5

Fixed in: newer than 2.6.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.6.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade reminder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reminder

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-2023-30453?

reminder: upgrade to newer than 2.6.5. Exact commands for each OS are on this page.

Is CVE-2023-30453 being exploited?

CVE-2023-30453 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-2023-30453 affect?

CVE-2023-30453 affects reminder. Severity is medium (CVSS 5.4). The Teamlead Reminder plugin through 2.6.5 for Jira allows persistent XSS via the message parameter.

How urgent is CVE-2023-30453?

Priority 26/100. No elevated risk signals yet.

Software pages

Atlassian Jira vulnerabilities

Related CVEs

CVE-2022-39876 MEDIUM 5.9 UPGRADE Insertion of Sensitive Information into Log in PushRegIdUpdateClient of SReminder prior to 8.2.01.13 allows at

References

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