Security readout for executives and security teams
Plain-English summary
WordPress sites using WP Super Cache versions before 1.7.3 could allow an authenticated user to save script content in a plugin setting. That script may run later in an administrator’s browser, creating risk of account misuse or site changes.
Executive priority
Prioritize routine remediation for public WordPress sites or shared-admin environments. Escalate if the plugin is outdated and multiple users have dashboard access.
Technical view
The plugin failed to properly sanitize the wp_cache_location settings parameter, causing authenticated stored cross-site scripting. The record maps this to CWE-79 and describes affected WP Super Cache releases before 1.7.3. No CVSS score is provided in the bundle.
Likely exposure
Exposure is limited to WordPress installations running WP Super Cache before 1.7.3, especially where users can access or modify plugin settings. The provided evidence does not identify affected WordPress core versions or hosting providers.
Exploitation context
The bundle includes a public advisory and researcher reference, but KEV is false and no cited source states active exploitation. Treat this as publicly known but not confirmed exploited from the provided evidence.
Researcher notes
Evidence is clear on the vulnerable parameter and fixed-version boundary, but incomplete on CVSS, required role, and exploitation in the wild. Validate exposure through version inventory and settings-permission review, not exploit reproduction.
Mitigation direction
- Upgrade WP Super Cache to version 1.7.3 or later.
- Restrict plugin settings access to trusted administrators only.
- Review vendor guidance before applying environment-specific compensating controls.
- Monitor WordPress admin accounts for unusual configuration changes.
Validation and detection
- Inventory WordPress sites using WP Super Cache.
- Confirm installed WP Super Cache versions are 1.7.3 or later.
- Review plugin setting change logs where available.
- Check whether non-administrators can reach WP Super Cache 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-2021-24329 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/9df86d05-1408-4c22-af55-5e3d44249fd0CVE reference · x_refsource_CONFIRM
- https://m0ze.ru/vulnerability/%5B2021-03-23%5D-%5BWordPress%5D-%5BCWE-79%5D-WP-Super-Cache-WordPress-Plugin-v1.7.2.txtCVE 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.