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CVE-2024-2837· NVD / CVE Program· CNA WPScan

WP Chat App < 3.6.4 - Admin+ Stored XSS

The WP Chat App WordPress plugin before 3.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admins to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

MediumCVSS 5.4 · v3.1—No exploit Fix available

Noroxi analysis

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Published
Apr 26, 2024
Updated
Jun 17, 2026
EPSS
0.5% · 42th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
ninjateamwp chat app

Affected versions

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

  • ninjateam wp chat appbefore 3.6.4

Versions reported by the vendor

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

  • Unknown WP Chat App

    • before 3.6.4affected · semver

Same product

ninjateam: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-2513WP Chat App <= 3.6.2 - Authenticated(Contributor+) Stored Cross-Site Scripting via Block Image Attribute
    21Monitor
  • CVE-2024-1761WP Chat App <= 3.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes
    21Monitor
  • CVE-2024-4664WP Chat App < 3.6.5 - Admin+ Stored XSS
    19Monitor
  • CVE-2023-51370WordPress WP Chat App Plugin <= 3.4.4 is vulnerable to Cross Site Scripting (XSS)
    19Monitor
  • CVE-2024-10533WP Chat App <= 3.6.8 - Missing Authorization to Authenticated (Subscriber+) Filebird Plugin Installation
    17Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
Unknown WP Chat App3.6.4Vendor (CNA)

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-2024-176150 days apartWP Chat App <= 3.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes
    21Monitor
  • CVE-2024-466462 days apartWP Chat App < 3.6.5 - Admin+ Stored XSS
    19Monitor
  • CVE-2023-5137074 days apartWordPress WP Chat App Plugin <= 3.4.4 is vulnerable to Cross Site Scripting (XSS)
    19Monitor

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).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is 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
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
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:N/UI:R/S:U/C:L/I:L/A:N

nvd-secondary

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

  1. Fix✗ → ✓

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