Security readout for executives and security teams
Plain-English summary
This flaw lets a permitted LimeSurvey user store malicious browser content in a participant database attribute. If an administrator later views or edits that attribute, the script can run in the administrator’s browser. Business urgency depends on whether LimeSurvey is exposed and who can manage participant attributes.
Executive priority
Treat this as a targeted administrative web-app risk, not an internet-wide emergency. Prioritize affected LimeSurvey instances, especially shared administrative environments or systems containing sensitive participant data.
Technical view
CVE-2020-25798 is stored XSS in LimeSurvey before and including 3.21.1. An authenticated user with correct permissions can inject arbitrary script or HTML through ParticipantAttributeNamesDropdown on the central participant database Attributes page. The script executes when the survey attribute is edited or viewed, including by an administrative user.
Likely exposure
Organizations running LimeSurvey 3.21.1 or earlier are the likely exposure. Risk is higher where multiple users can manage the central participant database or where administrators routinely review participant attributes.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. Exploitation requires authentication and the right LimeSurvey permissions, but stored XSS can affect higher-privileged users who later view the stored content.
Researcher notes
Evidence is limited: the bundle names the vulnerable parameter, page, permission requirement, and fix commit, but no CVSS, CWE, exploit status, or fixed release number. Do not assume unauthenticated exploitability or active attacks from these sources alone.
Mitigation direction
- Upgrade LimeSurvey to a release that includes the referenced fix commit.
- Review LimeSurvey vendor guidance for the exact fixed release and deployment steps.
- Restrict central participant database attribute permissions to trusted administrators only.
- Remove suspicious HTML or script-like content from participant attribute names.
- Review privileged LimeSurvey activity if suspicious attributes were present.
Validation and detection
- Inventory LimeSurvey deployments and confirm versions are later than 3.21.1.
- Confirm deployed code includes the referenced LimeSurvey fix commit.
- Check who can modify central participant database attributes.
- Review existing participant attribute names for unexpected HTML or script content.
- Verify remediation in staging before restoring broader attribute-management permissions.
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.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-25798 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://bugs.limesurvey.org/view.php?id=15672CVE reference · x_refsource_MISC
- https://github.com/LimeSurvey/LimeSurvey/commit/38e1ab069b538de7cb5f3a04939aba8e835640cbCVE 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.