Security readout for executives and security teams
Plain-English summary
CVE-2021-36919 is a reflected cross-site scripting issue in the WordPress Awesome Support plugin through version 6.0.6. A victim would need to interact with attacker-controlled content or a link. Successful exploitation could let script run in the victim’s browser, risking limited data exposure or unwanted actions in that session.
Executive priority
Handle as a near-term WordPress application security fix, not an emergency unless the plugin is widely deployed on sensitive support portals. The main business risk is browser-based compromise of staff or customer-support sessions after user interaction.
Technical view
The CVE describes multiple reflected XSS flaws in Awesome Support for WordPress, affecting parameters id and assignee in versions <= 6.0.6. It is classified as CWE-79 with CVSS 3.1 score 6.1, network-reachable, low complexity, user interaction required, changed scope, and low confidentiality/integrity impact.
Likely exposure
Exposure is likely limited to WordPress sites that have the Awesome Support plugin installed at version 6.0.6 or older. Risk is higher where staff, agents, or administrators use the affected plugin while authenticated and may click external or untrusted links.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction. The source bundle calls the issue authenticated reflected XSS, while the CVSS vector lists no attacker privileges; treat authentication context as source-ambiguous.
Researcher notes
Evidence supports reflected XSS in specific parameters and affected versions <= 6.0.6. The bundle does not provide exploit details, proof of active exploitation, or a named fixed version. Validate only in authorized environments and avoid assuming broader Awesome Support impact beyond the cited version range.
Mitigation direction
- Inventory WordPress sites for the Awesome Support plugin and record installed versions.
- Prioritize sites running Awesome Support version 6.0.6 or older.
- Check WordPress.org and vendor guidance for the fixed or recommended plugin release.
- Update, disable, or remove the plugin following vendor guidance and operational requirements.
- Warn support and admin users against opening untrusted links while remediation is pending.
Validation and detection
- Confirm the plugin version from WordPress administration or asset inventory.
- Check whether affected parameters are reachable in installed Awesome Support workflows.
- Review web logs for unusual requests targeting id or assignee parameters.
- Verify remediation by confirming the site no longer runs version 6.0.6 or older.
- Document any source uncertainty about authentication requirements in the risk record.
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-2021-36919 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/awesome-support/#developersCVE reference · x_refsource_CONFIRM
- https://patchstack.com/database/vulnerability/awesome-support/wordpress-awesome-support-plugin-6-0-6-multiple-authenticated-reflected-cross-site-scripting-xss-vulnerabilitiesCVE 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.