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CVE-2012-20003

Custom Tables WordPress Plugin < 3.4.6 Reflected XSS via iframe.php

Medium5.1EPSS 0.27%
Published
Updated
Reserved
Assigned by
VulnCheck

Description

Custom Tables plugin for WordPress before 3.4.6 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unsanitized 'key' parameter in iframe.php. Attackers can craft GET requests to /wp-content/plugins/custom-tables/iframe.php with s=1 and a malicious key value to execute script in victims' browsers and steal cookies. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

Scores

CVSS scores of CVE-2012-20003, by who scored it
Scored byCVSSScoreVector
VulnCheckCNA (assigner)4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
VulnCheckCNA (assigner)3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVDNVD · Deferred4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.27% · top 81% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: no · Technical impact: partial

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.

Weakness

Affected products

  • Web Updates KMU · Custom Tables

    • affected < 3.4.6

References (6)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .