CVE-2011-1134

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 5.0%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in the image manager.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
86.1%
KEV
Not listed

Published

November 5, 2019

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jun 7, 2026
Patch available.
generic

oss-security - Re: CVE requests: freebsd kernel/tesseract/xinha/proftpd

https://www.openwall.com/lists/oss-security/2011/03/02/5
generic

CVE-2011-1134

https://security-tracker.debian.org/tracker/CVE-2011-1134
generic Patch Available

#611661 - Bundled plugins using Xinha allow malicious file uploads - Debian Bug report logs

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611661
generic

Important Security Update: Serendipity 1.5.5 released - Serendipity

https://blog.s9y.org/archives/224-Important-Security-Update-Serendipity-1.5.5-released.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-06-29 14:02 UTCEPSS rescore
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  45. 2026-05-31 22:28 UTCEPSS rescore
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  49. 2026-05-29 13:41 UTCEPSS rescore
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  54. 2026-05-27 13:38 UTCEPSS rescore
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  56. 2026-05-27 12:15 UTCEG score recompute
  57. 2026-05-27 12:15 UTCGHSA enrichment
  58. 2026-05-26 13:41 UTCEPSS rescore
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  60. 2026-05-26 07:16 UTCEPSS rescore
  61. 2026-05-26 07:16 UTCEPSS rescore
  62. 2026-05-24 16:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2011-1134?
CVE-2011-1134 is a critical vulnerability published on November 5, 2019. Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in the image manager.
When was CVE-2011-1134 disclosed?
CVE-2011-1134 was first published in the National Vulnerability Database on November 5, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-1134 actively exploited?
CVE-2011-1134 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2011-1134?
CVE-2011-1134 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2011-1134?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1134, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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