Security readout for executives and security teams
Plain-English summary
CVE-2015-9360 is a cross-site scripting issue in the WordPress UpdraftPlus plugin before version 1.9.64. The public record does not provide CVSS, detailed attack conditions, or confirmed exploitation. Treat exposure as legacy WordPress plugin risk that should be removed by upgrading or replacing affected installations.
Executive priority
Prioritize this as a hygiene and legacy exposure issue unless internal inventory shows affected internet-facing WordPress sites. Lack of severity scoring and exploitation evidence lowers confidence, but outdated WordPress plugins remain a common business risk.
Technical view
The CVE describes XSS in UpdraftPlus before 1.9.64 involving unsafe use of WordPress add_query_arg() and remove_query_arg(). Public references tie this to a 2015 advisory affecting multiple plugins. Available data does not specify endpoint, privilege requirements, payload context, or whether exploitation was observed.
Likely exposure
Exposure is likely limited to WordPress sites running UpdraftPlus versions earlier than 1.9.64. The source bundle does not identify CPEs, supported branches, hosting conditions, or affected configuration specifics.
Exploitation context
CISA KEV is false in the bundle, and no cited source here confirms active exploitation. XSS impact depends on where the vulnerable output appears and who can be induced to view it, which is not specified in the available record.
Researcher notes
The public CVE entry is sparse. Key missing details include vulnerable route, required user role, XSS type, proof-of-concept status, and patched code reference. Analysis should stay anchored to version verification and vendor advisory review.
Mitigation direction
- Inventory WordPress sites for UpdraftPlus installations and versions.
- Upgrade UpdraftPlus to a version newer than 1.9.64 where possible.
- If upgrade is not possible, check current UpdraftPlus vendor guidance.
- Remove unused or unsupported UpdraftPlus installations.
- Review other plugins mentioned in the Sucuri advisory for similar legacy risk.
Validation and detection
- Confirm whether UpdraftPlus is installed on each WordPress site.
- Record the exact installed plugin version.
- Flag any version earlier than 1.9.64 for remediation.
- Review web application logs for suspicious requests to plugin-related administrative pages.
- Verify remediation by rechecking the plugin version after update or removal.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2015-9360 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.sucuri.net/2015/04/security-advisory-xss-vulnerability-affecting-multiple-wordpress-plugins.htmlCVE reference · x_refsource_MISC
- https://updraftplus.com/new-security-vulnerability-found-across-significant-numbers-of-wordpress-plugins-including-updraftplus/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.