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CVE-2011-1949

16
FAUCET Score

CVE-2011-1949 describes a Cross-Site Scripting (XSS) vulnerability within the safe_html filter of Products.PortalTransforms, affecting Plone versions 2.1 through 4.1. This flaw allows authenticated attackers to inject malicious web scripts or HTML. With a CVSS score of 3.5, it is considered of low severity, requiring user authentication and moderate attack complexity, with potential for partial integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:2.1:*:*:*:*:*:*:*
2.1.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:2.1.1:*:*:*:*:*:*:*
2.1.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:2.1.2:*:*:*:*:*:*:*
2.1.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:2.1.3:*:*:*:*:*:*:*
2.1.4CPE matchmatch criteria
cpe:2.3:a:plone:plone:2.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

AV:N/AC:M/Au:S/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.86%
Probability of exploitation in next 30 days
EPSS Percentile
77.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0186 is in the 87th percentile among its peer group of 1,637 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: PloneFixed in: 3.3.6
pippatch availablevia ghsa
Product: PloneFixed in: 4.0.6
pippatch availablevia ghsa
Product: PloneFixed in: 4.1.1

Vendor Advisories (2)

pipGHSA-h6hq-c896-w882medium

Plone Cross-site Scripting vulnerability

Jul 23, 2018
redhatCVE-2011-1949Moderate

plone: A persistent cross site scripting vulnerability

May 31, 2011

References

osvdb.org / 72728
plone.org / products/plone/security/advisories/CVE-2011-1949
PatchVendor Advisory
secunia.com / advisories/44775
Vendor Advisory
secunia.com / advisories/44776
Vendor Advisory
securityreason.com / securityalert/8269
exchange.xforce.ibmcloud.com / vulnerabilities/67694
securityfocus.com / archive/1/518155/100/0/threaded
securityfocus.com / bid/48005