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CVE-2011-1135

21
FAUCET Score

CVE-2011-1135 describes a Cross-Site Scripting (XSS) vulnerability in the Xinha editor, specifically within the Serendipity package prior to version 1.5.5. This flaw allows remote attackers to execute arbitrary script code in plugins/ExtendedFileManager/manager.php and plugins/ImageManager/manager.php. With a CVSS score of 6.1 (Medium), this vulnerability requires user interaction and network access, potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.5CPE matchmatch criteria
cpe:2.3:a:s9y:serendipity:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 87th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.s9y.org / archives/224-Important-Security-Update-Serendipity-1.5.5-released.html
Release NotesThird Party AdvisoryVendor Advisory
bugs.debian.org / cgi-bin/bugreport.cgi
Third Party Advisory
security-tracker.debian.org / tracker/CVE-2011-1135
Third Party Advisory
openwall.com / lists/oss-security/2011/03/02/5
Mailing ListThird Party Advisory