What is the CVSS score of CVE-2021-36832?

CVE-2021-36832 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Icegram CVE-2021-36832

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-10-19 audit@patchstack.com

WordPress XSS Icegram Engage Wordpress Plugin Icegram

5.4

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-79 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Output encoding, context-aware escaping MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.
Exploit ScenarioDerived	A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.6% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

WordPress Popups, Welcome Bar, Optins and Lead Generation Plugin - Icegram (versions <= 2.0.2) vulnerable at "Headline" (&message_data[16][headline]) input. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. WordPress Popups, Welcome Bar, Optins and Lead Generation Plugin - Icegram (versions <= 2.0.2) vulnerable at "Headline" (&message_data[16][headline]) input. Affected products include: Icegram Icegram Engage.

Know when Icegram gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

WordPress Popups, Welcome Bar, Optins and Lead Generation Plugin - Icegram (versions <= 2.0.2) vulnerable at "Headline" (&message_data[16][headline]) input.

Threat Intelligence Overview

EPSS Score

0.6%

Top 58% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:icegram:icegram_engage:*:*:*:*:*:wordpress:*:*

More in Icegram

View all

CVE-2024-4295 CRITICAL Act Now POC

9.8 Jun 05

The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘hash’ parameter in

CVE-2022-0439 HIGH This Week POC

8.8 Mar 07

The Email Subscribers & Newsletters WordPress plugin before 5.3.2 does not correctly escape the `order` and `orderby` pa

CVE-2018-6015 HIGH This Week POC

7.5 Jan 26

An issue was discovered in the "Email Subscribers & Newsletters" plugin before 3.4.8 for WordPress. Rated high severity

CVE-2020-5767 MEDIUM This Month POC

6.5 Jul 17

Cross-site request forgery in Icegram Email Subscribers & Newsletters Plugin for WordPress v4.4.8 allows a remote attack

CVE-2019-19984 MEDIUM This Month POC

6.3 Dec 26

The WordPress plugin, Email Subscribers & Newsletters, before 4.2.3 had a flaw that allowed users with edit_post capabil

CVE-2024-6172 CRITICAL Act Now

9.8 Jul 02

The Email Subscribers by Icegram Express - Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin f

CVE-2025-0671 MEDIUM This Month POC

6.1 Apr 25

The Icegram Express WordPress plugin before 5.7.50 does not sanitise and escape some of its Template settings, which cou

CVE-2023-2398 MEDIUM This Month POC

6.1 Jun 12

The Icegram Engage WordPress plugin before 3.1.12 does not escape a parameter before outputting it back in an attribute,

CVE-2021-24941 MEDIUM This Month POC

6.1 Dec 21

The Popups, Welcome Bar, Optins and Lead Generation Plugin WordPress plugin before 2.0.5 does not sanitise and escape th

CVE-2024-5756 CRITICAL Act Now

9.8 Jun 21

The Email Subscribers by Icegram Express - Email Marketing, Newsletters, Automation for WordPress & WooCommerce plugin f

CVE-2024-31352 CRITICAL Act Now

9.8 Jun 09

Missing Authorization vulnerability in Email Subscribers & Newsletters.7.13. Rated critical severity (CVSS 9.8), this vu

CVE-2019-13569 CRITICAL Act Now

9.8 Jul 19

A SQL injection vulnerability exists in the Icegram Email Subscribers & Newsletters plugin through 4.1.7 for WordPress.

Same weakness CWE-79 – Cross-site Scripting (XSS)

View all

CVE-2020-3580 MEDIUM POC

6.1

CVE-2013-7389 MEDIUM POC

4.3

CVE-2021-25299 MEDIUM POC

6.1

CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2016-8581 MEDIUM POC

6.1

CVE-2013-5223 MEDIUM POC

5.4

CVE-2025-52367 MEDIUM POC

5.4

Same technique XSS

View all

CVE-2017-9248 CRITICAL POC

9.8

CVE-2013-1710 CRITICAL POC

10.0

CVE-2024-52875 HIGH POC

8.8

References

Advisories & patches

REF https://patchstack.com/database/vulnerability/icegram/wordpress-icegram-plugin-2-0-2-authenticated-stored-cross-site-scripting-xss-vulnerability REF https://wordpress.org/plugins/icegram/#developers

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back