CVE-2024-8991

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 31.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2024-09-27 06:53Z1 YR AGO

Last updated

2026-04-08 17:04Z4 MO AGO

Reserved

2024-09-18

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

39df5c9b09f9b127682bd5fb03e1911194df6f5b95418bf9b463db98b91f9ab5

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/839ecd06-9c74-4ddc-b455-26ec3e627889?source=cve
• wordpress.orghttps://wordpress.org/plugins/osm/#developers
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/osm/trunk/osm-metabox.php#L155
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/osm/trunk/osm.php#L1120
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/osm/trunk/osm-metabox_v4.php#L139
• wp-osm-plugin.hyumika.comhttps://wp-osm-plugin.hyumika.com/changelog/
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3157069/