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CVE-2012-5490

17
FAUCET Score

CVE-2012-5490 describes a cross-site scripting (XSS) vulnerability in the kssdevel.py component of Plone, affecting versions before 4.2.3 and 4.3 before beta 1. This flaw allows remote attackers to inject arbitrary web script or HTML. With a CVSS score of 4.3 (medium severity), it requires medium attack complexity and could lead to information disclosure or defacement, but not impact availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 30th percentile among its peer group of 19,953 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (2)

pippatch availablevia ghsa
Product: ploneFixed in: 4.2.3
pippatch availablevia ghsa
Product: PloneFixed in: 4.3b1

Vendor Advisories (2)

pipGHSA-q46g-v7r4-9vhrmedium

Plone Cross-site scripting Vulnerability

May 17, 2022
redhatCVE-2012-5490Moderate

(Plone): Reflexive XSS

Nov 6, 2012

References

github.com / plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
plone.org / products/plone-hotfix/releases/20121106
Patch
plone.org / products/plone/security/advisories/20121106/06
Vendor Advisory
openwall.com / lists/oss-security/2012/11/10/1