CVE-2011-2935
Elgg Reflected XSS Vulnerability
Elgg through 1.7.10 has XSS
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Elgg through 1.7.10 has XSS
- Record
CVE-2011-2935- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Elgg through 1.7.10 has XSS
- Record
CVE-2011-2935- Updated
- 2026-11-02
EUVDEUVD-2022-1783 No score
Elgg through 1.7.10 has XSS
- Record
EUVD-2022-1783- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcfm-j5g6-w26f
Elgg Reflected XSS Vulnerability
VULNERABILITY DESCRIPTION
The internalname parameter is not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser
PROOF-OF-CONCEPT/EXPLOIT
http://localhost/pg/embed/media?internalname=%20%22onmouseover=%22alert%28/XSS/%29%22style=%22width:3000px!important;height:3000px!important;z-index:999999;position:absolute!important;left:0;top:0;%22%20x=%22
- Record
GHSA-mcfm-j5g6-w26f- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-mcfm-j5g6-w26f
Elgg Reflected XSS Vulnerability
VULNERABILITY DESCRIPTION
The internalname parameter is not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser
PROOF-OF-CONCEPT/EXPLOIT
http://localhost/pg/embed/media?internalname=%20%22onmouseover=%22alert%28/XSS/%29%22style=%22width:3000px!important;height:3000px!important;z-index:999999;position:absolute!important;left:0;top:0;%22%20x=%22
- Record
GHSA-mcfm-j5g6-w26f- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2935 is a medium vulnerability (CVSS 6.1) in Elgg, published November 12, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in elgg/elgg 1.7.11.
References
security-tracker.debian.org/tracker/CVE-2011-2935
access.redhat.com/security/cve/cve-2011-2935
oss-security.openwall.narkive.com/1UH3NYx8/cve-request-elgg-1-7-10-multiple-vulnerabilities
nvd.nist.gov/vuln/detail/CVE-2011-2935
github.com/Elgg/Elgg/issues/3544