CVE-2025-2109 | WP Compress <= 6.30.15 - Unauthenticated Server-Side Request Forgery via init Function

The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.30.15 via the init() function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query information from internal services.

Published: 2025-03-25 Last update: 2025-08-11 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-2109 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.43%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-2109

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-05 0.56% 0.43% -0.13%
2 2026-05-04 0.25% 0.56% +0.31%
3 2026-01-09 0.25%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-2109

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-2109

Affected software / configurations for CVE-2025-2109

Vendor Product Version Raw CPE
wpcompress wp_compress < 6.30.16 cpe:2.3:a:wpcompress:wp_compress:*:*:*:*:*:wordpress:*:*

References for CVE-2025-2109

cvelogic Threat Intelligence