CVE-2026-12100Patch

LOWCVSS 7.2 · HIGH

Exploit discussion active in current signal (2 latest mentions)

Immediate actions

Patch affected systems immediately
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

The URL Preview plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.0 via the 'url' parameter. 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 and modify information from internal services.

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2.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-918

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Patch

150.0%

PoC

150.0%

Referenced assets1 URL

By indicator

https://atomicedge.io/cve-proof/cve-2026-12100-link-preview-version-1-0-high-vulnerability-proof-of-concept

Full discourse2 posts

Atomic Edge@atomicedgeWAF91d
PoC
https://atomicedge.io/cve-proof/cve-2026-12100-link-preview-version-1-0-high-vulnerability-proof-of-concept CVE-2026-12100 link-preview (CVSS Score 7.2) #WordPress plugin #vulnerability #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge #cybe…
Post summary
The tweet links to a proof‑of‑concept for CVE‑2026‑12100 affecting the WordPress link‑preview plugin, noting a CVSS score of 7.2; there is no evidence of active exploitation, patches, or a false‑positive claim.
0000031
11 followersView on X
DFIR Lab@DFIR_Lab91d
Patch
🚨 HIGH SEVERITY: CVE-2026-12100 (CVSS 7.2) URL Preview plugin for WordPress vulnerable to SSRF. All versions ≤1.0 affected. Unauthenticated attackers can query/modify internal services via 'url' parameter. Patch immediately. #CVE #WordPress https://t.co/9PQgyykaLU
Post summary
The tweet announces that CVE-2026-12100, a high‑severity SSRF flaw in the URL Preview plugin for WordPress, requires immediate patching to prevent unauthenticated attackers from manipulating internal services.
0000034
50 followersView on X

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