CVE-2026-4853

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

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

2026-04-17 03:36Z4 MO AGO

Last updated

2026-04-17 12:23Z4 MO AGO

Reserved

2026-03-25

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Medium (CVSS 4.9)

CNA CVSS vector

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

Weaknesses

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

Data version

5.2

Document digest

59f9b00737827ef346ff43f3430509e32fe564f51c1d8d9a90dca349be1fe200

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/4aa0fa80-05dd-4fe1-b7b5-7ed0cf13053c?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/trunk/src/JetBackup/Upload/Upload.php#L66
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/tags/3.1.17.5/src/JetBackup/Upload/Upload.php#L66
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/trunk/src/JetBackup/Ajax/Calls/AddToQueue.php#L64
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/tags/3.1.17.5/src/JetBackup/Ajax/Calls/AddToQueue.php#L64
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/trunk/src/JetBackup/Ajax/Calls/AddToQueue.php#L244
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/backup/tags/3.1.17.5/src/JetBackup/Ajax/Calls/AddToQueue.php#L244
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3495633%40backup&new=3495633%40backup&sfp_email=&sfph_mail=