Security readout for executives and security teams
Plain-English summary
A WordPress plugin used to display sliding text content stored user-supplied Title and Message/Content values without proper sanitization. An authenticated user able to change those settings could store script that later runs in another user's browser. The sources do not provide CVSS scoring or evidence of active exploitation.
Executive priority
Treat this as a moderate-priority cleanup issue for WordPress estates. It is not supported by active-exploitation evidence in the provided sources, but stored XSS can affect administrators and site visitors. Prioritize internet-facing sites and environments with many authenticated content editors.
Technical view
CVE-2015-20019 is an authenticated stored XSS issue in Content text slider on post before version 6.9. The reported weakness is CWE-79: missing sanitization and escaping for Title and Message/Content settings. WordPress Trac references a confirming changeset; the bundle does not establish exact required role privileges.
Likely exposure
Exposure is likely limited to WordPress sites running Content text slider on post versions before 6.9. Risk is higher where non-administrative authenticated users can edit slider settings or content. Public-facing visitors or administrators may be impacted if stored content is rendered in their browser.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. Stored XSS generally requires authenticated access to save malicious content, then a victim browsing affected output or administration views. No exploit steps or payload details are needed for validation.
Researcher notes
Key unknowns are the exact required WordPress capability, exploit prevalence, and whether maintained packages remain available. The vulnerability is source-grounded as authenticated stored XSS before 6.9, tied to Title and Message/Content handling. Validate exposure through version inventory and role-permission review.
Mitigation direction
- Inventory WordPress sites for Content text slider on post installations.
- Update affected installations to version 6.9 or later where available.
- Remove the plugin if unused or no longer required.
- Restrict plugin configuration access to trusted administrators only.
- Check vendor, WordPress, and WPScan guidance for current maintenance status.
Validation and detection
- Confirm installed plugin versions and flag anything before 6.9.
- Review who can edit slider Title and Message/Content settings.
- Inspect existing slider entries for unexpected script-like markup.
- Review WordPress audit logs for recent plugin setting changes.
- Confirm updated code sanitizes and escapes affected settings.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2015-20019 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://seclists.org/bugtraq/2015/Dec/124CVE reference · x_refsource_MISC
- https://wpscan.com/vulnerability/4f92b211-e09c-4ed0-bc98-27e0b51b1f86CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/changeset/1393044/content-text-slider-on-postCVE reference · x_refsource_CONFIRM
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.