CVE-2026-18855

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.0% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-08-20.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-15 18:25Z20 DAYS AGO

Last updated

2026-08-17 16:06Z18 DAYS AGO

Reserved

2026-08-04

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

d390b2d8b0194a4eafbce75cd80495b7305bd2a06d5ff52ccbd081cd14f8f695

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/41327dfa-db64-476a-a263-7bd4f69fb857?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library-admin.php#L7874
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library-admin.php#L7865
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/usersubmission.php#L52
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/usersubmission.php#L476
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/link-library/tags/7.9.4/link-library.php#L2288
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?reponame=&new=3646361%40link-library%2Ftags%2F7.9.5&old=3626573%40link-library%2Ftags%2F7.9.4
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3646360/link-library/trunk/link-library-admin.php
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?old_path=%2Flink-library/tags/7.9.4&new_path=%2Flink-library/tags/7.9.5