CVE-2023-50860: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Book

Q: How do I fix CVE-2023-50860?

amelia: upgrade to newer than 1.0.85. Exact commands for each OS are on this page.

Q: Is CVE-2023-50860 being exploited?

CVE-2023-50860 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-2023-50860 affect?

CVE-2023-50860 affects amelia. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar – Amelia allows Stored XSS.This issue affects Booking for Appointments and Events Calenda

Q: How urgent is CVE-2023-50860?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-50860 is a medium-severity flaw (CVSS 6.5) affecting amelia. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar – Amelia allows Stored XSS.This issue affects Booking for Appointments and Events Calendar – Amelia: from n/a through 1.0.85.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-12-28
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: tms-outsource

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

Am I affected?

Timeline

2023-12-28 11:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

tms-outsource amelia UPGRADE

Affected: <= 1.0.85

Fixed in: newer than 1.0.85

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.85 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade amelia

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-2023-50860?

amelia: upgrade to newer than 1.0.85. Exact commands for each OS are on this page.

Is CVE-2023-50860 being exploited?

CVE-2023-50860 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-2023-50860 affect?

CVE-2023-50860 affects amelia. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar – Amelia allows Stored XSS.This issue affects Booking for Appointments and Events Calenda

How urgent is CVE-2023-50860?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2024-6332 MEDIUM 6.5 UPGRADE The Booking for Appointments and Events Calendar – Amelia Premium and Lite plugins for WordPress are vulnerabl
CVE-2024-6225 MEDIUM 4.4 UPGRADE The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Stored Cross-S
CVE-2024-22298 MEDIUM 5.3 UPGRADE Missing Authorization vulnerability in TMS Amelia ameliabooking.This issue affects Amelia: from n/a through 1.
CVE-2024-1484 MEDIUM 6.1 UPGRADE The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Reflected Cros

References

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