Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting flaw in the WordPress Ultra Companion plugin through version 1.1.9. A logged-in attacker could save malicious content that later runs in another user’s browser. The business risk is moderate because exploitation needs privileges and user interaction, but it can still affect WordPress admin or site users.
Executive priority
Treat this as a moderate-priority WordPress hygiene issue. It is not listed as known exploited in the supplied data, but affected public websites should be remediated during the next security maintenance cycle, sooner for sites with many contributors or sensitive admin sessions.
Technical view
CVE-2024-24803 is CWE-79 improper input neutralization during web page generation in WPoperation Ultra Companion. The CVSS 3.1 score is 6.5 with AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, indicating network reachability, low attack complexity, required low privileges, required user interaction, and changed scope.
Likely exposure
Exposure is limited to WordPress installations using Ultra Companion, package name ultra-companion, from unspecified initial versions through 1.1.9. The provided sources do not identify affected theme combinations, installation counts, or hosting-specific exposure.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates an attacker needs low privileges and another user’s interaction. The issue is stored XSS, so malicious content may persist until removed or remediated.
Researcher notes
Evidence is limited to the CVE record and Patchstack database reference. The bundle does not include the vulnerable parameter, proof of concept, fixed version, or vendor advisory text. Avoid assuming exploitation in the wild or a specific patch level beyond versions through 1.1.9 being affected.
Mitigation direction
- Identify all WordPress sites using Ultra Companion through version 1.1.9.
- Check WPoperation and Patchstack guidance for a fixed version or vendor mitigation.
- Upgrade if a fixed release is available from the vendor.
- Disable or remove the plugin where it is unnecessary or cannot be remediated.
- Limit low-privileged WordPress accounts to trusted users until resolved.
Validation and detection
- Inventory WordPress plugins and confirm Ultra Companion version on each site.
- Review user roles that can create or edit plugin-controlled content.
- Check site content for unexpected scripts or suspicious HTML.
- Confirm remediation by verifying the installed version is no longer affected.
- Monitor WordPress logs for suspicious authenticated content changes.
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-2024-24803 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
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.