Security readout for executives and security teams
Plain-English summary
CVE-2015-9303 is a cross-site scripting issue in the WordPress Simple Share Buttons Adder plugin before version 6.0.0. Affected sites may allow attacker-controlled script to run in a user’s browser. The public record gives very limited technical detail, so urgency depends on whether the plugin is installed and outdated.
Executive priority
Prioritize normal vulnerability remediation for internet-facing WordPress sites. Escalate if the plugin is present on high-traffic, customer-facing, or administrator-heavy sites, because XSS can affect trust and account safety.
Technical view
The CVE record describes XSS in simple-share-buttons-adder before 6.0.0 for WordPress. No CVSS score, CWE, vulnerable parameter, attack vector, authentication requirement, or exploitability details are provided in the source bundle. Treat exposure as version-based until vendor or plugin changelog evidence gives more detail.
Likely exposure
Exposure is likely limited to WordPress installations running Simple Share Buttons Adder versions earlier than 6.0.0. The source bundle does not identify other affected products or forks.
Exploitation context
The CVE is not listed as KEV in the provided data, and the bundle does not cite active exploitation. XSS may enable browser-side actions in the affected site context, but the sources do not specify conditions or impact scope.
Researcher notes
The public record is sparse. Do not assume stored versus reflected XSS, required privileges, affected endpoints, or exploit maturity from the provided sources. Further validation should start with plugin version evidence and vendor changelog review.
Mitigation direction
- Inventory WordPress sites for the Simple Share Buttons Adder plugin.
- Upgrade affected installations to version 6.0.0 or later.
- Check the WordPress plugin page for current vendor guidance.
- Remove the plugin where it is unused or cannot be updated.
- Review WAF and CSP controls as compensating defenses.
Validation and detection
- Confirm installed plugin version across all WordPress environments.
- Flag any Simple Share Buttons Adder version below 6.0.0.
- Review WordPress admin plugin inventories and deployment manifests.
- Check logs for unusual script-injection indicators if exposure existed.
- Document remediation evidence and remaining exceptions.
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-2015-9303 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://wordpress.org/plugins/simple-share-buttons-adder/#developersCVE 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.