01 Record
CVE-2026-17089
Events Manager <= 7.4.0.1 - Reflected Cross-Site Scripting via 'header_format' Parameter
MediumPUBLISHEDCNA: Wordfence
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
02 Description
Events Manager <= 7.4.0.1 - Reflected Cross-Site Scripting via 'header_format' Parameter
03 Exploitation and scoring
- 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.
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 42.1% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-12.
- 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.
04 Metadata
- Published
- 2026-08-25 03:27Z2 MO AGO
- Last updated
- 2026-08-25 12:12Z2 MO AGO
- Reserved
- 2026-07-24
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
- 3b248ec129df1c81f5581152f2898cb3a74a1e5fdf0e5117d403d18b7a52a09b
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/a56d1a9e-7564-41b0-af03-c272ffbbbb97?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/classes/em-events.php#L469
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/classes/em-events.php#L469
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/classes/em-object.php#L1176
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/em-actions.php#L891
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.4.0.1/em-actions.php#L920
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/classes/em-object.php#L1176
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/em-actions.php#L891
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/events-manager/tags/7.3.4/em-actions.php#L920
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?old_path=/events-manager/tags/7.4.0.1&new_path=/events-manager/tags/7.4.1