Security readout for executives and security teams
Plain-English summary
The Stock in & out WordPress plugin through 1.0.4 can echo search input into a page without proper validation, sanitization, or escaping. A contributor-level user could cause script to run in another user’s browser. The main concern is browser-side compromise, session abuse, and admin trust impact, not proven server takeover.
Executive priority
Treat this as a targeted website integrity risk. Prioritize sites with many Contributor users, shared accounts, or business-critical admin workflows. If the plugin is unused or unmaintained, removal is the cleanest risk reduction path.
Technical view
CVE-2021-24346 is reflected XSS in the plugin’s search functionality. The `srch` POST parameter is used in an echo statement without validation, sanitization, or escaping. Sources state the lowest accessible role is Contributor. No CVSS score, fixed version, or exploit-in-the-wild evidence is provided in the bundle.
Likely exposure
Exposure is limited to WordPress sites running Stock in & out version 1.0.4 or earlier, especially where Contributor accounts exist or are weakly governed.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation. Exploitation appears to require access to the plugin search function and successful delivery of reflected content to a victim browser.
Researcher notes
Evidence is specific but incomplete: the root cause, parameter, role threshold, CWE, and affected version are stated, but severity scoring, patch status, and exploitation telemetry are absent. Avoid assuming unauthenticated exposure or a fixed version without vendor confirmation.
Mitigation direction
- Identify WordPress sites using Stock in & out 1.0.4 or earlier.
- Check vendor, WordPress plugin, or WPScan guidance for a fixed release.
- Disable or remove the plugin if no maintained fixed version is available.
- Restrict Contributor accounts and review whether they need plugin access.
- Monitor WordPress admin activity for suspicious sessions or unexpected content changes.
Validation and detection
- Inventory installed WordPress plugins and confirm Stock in & out version status.
- Review user roles for Contributor accounts with access to the search function.
- Inspect the vulnerable search path for unescaped output of `srch`.
- Validate remediation in staging before returning the plugin to production.
- Check logs for unusual admin actions after suspected exposure.
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-2021-24346 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://wpscan.com/vulnerability/c25146fd-4143-463c-8c85-05dd33e9a77bCVE reference · x_refsource_CONFIRM
- https://codevigilant.com/disclosure/2021/wp-plugin-stock-in/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.
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.