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CVE-2024-6225· NVD / CVE Program· CNA Wordfence

Amelia <= 1.1.5 & Amelia (Pro) <= 7.5.1 - Authenticated (Admin+) Stored Cross-Site Scripting

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.1.5 (and 7.5.1 for the Pro version) due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

MediumCVSS 4.8 · v3.1—No exploit No fix recorded
Published
Jun 21, 2024
Updated
Jun 17, 2026
EPSS
0.3% · 16th percentile
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Action score

19

Monitor

Low priority for now.

CVSS
19 / 40 · 4.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
4.8
CNA · Wordfence
4.4
0.4 point gap

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
tms-outsourceamelia

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • tms-outsource ameliabefore 1.1.6

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Wordfence). Independent of NVD's CPE analysis and usually ahead of it.

  • Amelia Booking for Appointments and Events Calendar – Amelia Pro

    • up to and including 7.5.1affected · semver

  • ameliabooking Booking for Appointments and Events Calendar – Amelia

    • up to and including 1.1.5affected · semver

Same product

tms-outsource: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-22298WordPress Amelia plugin <= 1.0.98 - Broken Access Control vulnerability
    39Monitor
  • CVE-2022-0687Amelia < 1.0.46 - Manager+ RCE
    35Monitor
  • CVE-2023-29427WordPress Amelia Plugin <= 1.0.75 is vulnerable to Cross Site Scripting (XSS)
    24Monitor
  • CVE-2023-27918Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote
    24Monitor
  • CVE-2022-0627Amelia < 1.0.46 - Reflected Cross-Site Scripting
    24Monitor
  • CVE-2023-6808Booking for Appointments and Events Calendar – Amelia <= 1.0.93 - Authenticated(Contributor+) Stored Cross-Site Scripting via shortcode
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-29427361 days apartWordPress Amelia Plugin <= 1.0.75 is vulnerable to Cross Site Scripting (XSS)
    24Monitor
  • CVE-2023-27918408 days apartCross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote
    24Monitor
  • CVE-2023-6808137 days apartBooking for Appointments and Events Calendar – Amelia <= 1.0.93 - Authenticated(Contributor+) Stored Cross-Site Scripting via shortcode
    21Monitor
  • CVE-2023-50860176 days apartWordPress Amelia Plugin <= 1.0.85 is vulnerable to Cross Site Scripting (XSS)
    21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records