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Icegram Express Pro CVE-2025-49917

MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2025-10-22 audit@patchstack.com
4.4
CVSS 3.1 · Vendor: patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with high-privilege account
  2. Exploit
    Submit crafted URL to vulnerable plugin feature
  3. Execution
    Server issues forged internal request
  4. Impact
    Access restricted internal resources

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires an authenticated, high-privilege account (PR:H) on a WordPress site running Icegram Express Pro (email-subscribers-premium) version 5.9.5 or earlier, combined with high attack complexity (AC:H) meaning additional conditions beyond attacker control must be satisfied. The flaw is reached through plugin functionality that performs a server-side fetch of an attacker-influenced URL. Limiting factors: the requirement for high-level authentication substantially narrows the attacker pool to trusted/admin-level users (or a compromised such account), and the AC:H rating indicates the attack is not reliably reproducible under all conditions. The exact vulnerable feature is not specified in the available data and should be confirmed with the Patchstack advisory.

Impact

This is a low-to-moderate priority issue despite being a server-side request forgery (CWE-918). The CVSS 3.1 base score is 4.4 (Medium), and the vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N shows the practical barriers clearly: although the attack vector is network-based, it requires high privileges (PR:H - authenticated administrative/high-level access), high attack complexity (AC:H), and yields only low confidentiality and integrity impact with no availability impact. EPSS reinforces the low-urgency picture at 0.21% (10th percentile), indicating a very low modeled probability of exploitation. There is no CISA KEV listing and no publicly identified exploit code. No SSVC decision data was provided in the input. The signals are mutually consistent rather than conflicting - a high-privilege, high-complexity, medium-severity flaw in a WordPress plugin with low exploitation probability. The main point worth verifying: the given vector lists Scope:Changed with C:L/I:L, which is typical for SSRF reaching internal/adjacent systems, but the actual blast radius depends on what internal services are reachable from the WordPress host.

Exploit ScenarioDerived

An attacker who already holds a high-privilege (e.g., administrator) account on a WordPress site running Icegram Express Pro <= 5.9.5 abuses a plugin feature that fetches a user-supplied URL server-side, coercing the server into making requests to internal or otherwise restricted endpoints. This could be used to probe internal network services or metadata endpoints reachable from the web server. No public exploit code has been identified at the time of analysis, and the high attack complexity (AC:H) implies additional conditions must be met.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 08, 2026

Server-side request forgery in Icegram Express Pro (email-subscribers-premium) versions up to 5.9.5 allows an authenticated attacker with high privileges to force the WordPress plugin to perform server-side HTTP requests to arbitrary destinations. High attack complexity (AC:H) and high privileges (PR:H) limit exploitability, and the EPSS score is 0.21% (10th percentile); no public exploit identified at time of analysis. The CVSS 3.1 vector (AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N) indicates low confidentiality and integrity impact confined to scope change, making this a low-to-moderate priority issue.

RemediationAI

The available data does not specify an exact fixed version; consult the Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/email-subscribers-premium/vulnerability/wordpress-icegram-express-pro-plugin-5-9-5-server-side-request-forgery-ssrf-vulnerability?_s_id=cve) for patch availability, and upgrade Icegram Express Pro beyond version 5.9.5 once a patched release is announced. As a compensating control, restrict the web server's outbound HTTP requests (e.g., via firewall rules or WordPress hooks that block external requests from the plugin), but note this may break legitimate functionality such as email delivery or external API calls. Additionally, enforce least privilege for WordPress administrator accounts, since exploitation requires high privileges (PR:H); audit and remove unnecessary admin-level users. Monitor server logs for unexpected outbound connections from the WordPress host.

Affected ProductsAI

Icegram Express Pro (WordPress plugin, slug: email-subscribers-premium) versions from n/a through 5.9.5 are affected. The vendor advisory is available at the Patchstack database: https://patchstack.com/database/Wordpress/Plugin/email-subscribers-premium/vulnerability/wordpress-icegram-express-pro-plugin-5-9-5-server-side-request-forgery-ssrf-vulnerability?_s_id=cve. No CPE vector is provided in the available data.

Affects your stack

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

Technical ContextAI · show details

The vulnerability is a server-side request forgery (SSRF, CWE-918) in the Icegram Express Pro WordPress plugin (slug: email-subscribers-premium). SSRF occurs when a web application fetches a remote resource using a URL supplied or influenced by an attacker without validating the destination, allowing the server to make requests to internal or external systems on the attacker's behalf. The CVSS vector shows network attack vector (AV:N), high attack complexity (AC:H), high privileges required (PR:H), no user interaction (UI:N), scope changed (S:C), with low confidentiality and integrity impact (C:L/I:L) and no availability impact (A:N). The scope change indicates that the vulnerable plugin can impact resources beyond its immediate security scope, potentially reaching internal network services. No specific CPE data or exact vulnerable function is provided; the Patchstack advisory should be consulted for technical details.

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Severity by source

Vendor (patchstack) PRIMARY 4.4 MEDIUM
AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
vuln.today AI 4.4 MEDIUM

SSRF requires an authenticated high-privilege user (PR:H) and non-trivial conditions (AC:H); scope changes as requests reach other systems, with limited C/I and no availability impact.

3.1 AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
4.0 AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N

Primary rating from Vendor (patchstack).

CVSS VectorVendor: patchstack

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionCVE.org

Server-Side Request Forgery (SSRF) vulnerability in Icegram Icegram Express Pro email-subscribers-premium allows Server Side Request Forgery.This issue affects Icegram Express Pro: from n/a through <= 5.9.5.

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Prevalence
Medium
popular WordPress email plugin, but paid Pro tier limits footprint
Data Quality
3 sources
Confidence: Low

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 0.2%
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
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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