Security readout for executives and security teams
Plain-English summary
This CVE covers multiple cross-site scripting issues in the WordPress NextGEN Gallery plugin before 2.1.10. Affected sites could expose users or administrators to injected browser-side script through gallery-related inputs. The source bundle does not provide CVSS, exploitability details, or active exploitation evidence.
Executive priority
Treat this as a targeted WordPress plugin hygiene issue. Prioritize internet-facing or business-critical WordPress sites, especially where administrators regularly access gallery management pages.
Technical view
NextGEN Gallery before 2.1.10 contains multiple XSS issues involving thumbnail_width, thumbnail_height, thumbwidth, thumbheight, wmXpos, wmYpos, and template. The bundle does not specify whether the flaws are stored, reflected, authenticated, or unauthenticated.
Likely exposure
Exposure is limited to WordPress sites running NextGEN Gallery versions earlier than 2.1.10. The provided affected-product metadata is incomplete, so verify plugin name and version directly in WordPress inventories.
Exploitation context
The CVE is not marked KEV in the provided bundle. Public disclosure references exist, but the supplied evidence does not establish active exploitation, exploit availability, required privileges, or attack complexity.
Researcher notes
The main evidence gap is exploit context. Sources identify XSS parameters and the vulnerable version boundary, but not privilege requirements, affected endpoints, stored-versus-reflected behavior, or confirmed exploitation.
Mitigation direction
- Upgrade NextGEN Gallery to 2.1.10 or later where installed.
- If upgrade is not possible, disable or remove the plugin until remediated.
- Check vendor release notes and WordPress plugin guidance before deployment.
- Review affected sites for unexpected content changes or suspicious script behavior.
Validation and detection
- Inventory WordPress sites for NextGEN Gallery installations.
- Confirm installed plugin versions are not earlier than 2.1.10.
- Review application logs for requests using the named parameters.
- Test remediation in staging before production rollout.
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-2015-9537 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/nextgen-gallery/#developersCVE reference · x_refsource_MISC
- https://github.com/cybersecurityworks/Disclosed/issues/1CVE reference · x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2015/10/27/4CVE reference · x_refsource_MISC
- https://cybersecurityworks.com/zerodays/cve-2015-9537-nextgen.htmlCVE 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.