CVE-2015-5730: wordpress
CVSS: 5.3v3.1MediumModified
AliasesDEBIAN-CVE-2015-5730
Published 09-11-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-5730 is a medium (CVSS 5.3) vulnerability in wordpress. EPSS estimates a 7.34% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. Fixed in 3.7.10.
CVSS score
5.3/10
010
Medium · v3.1 (wordfence)EPSS score
7.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 09-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The sanitize_widget_instance function in wp-includes/class-wp-customize-widgets.php in WordPress before 4.2.4 does not use a constant-time comparison for widgets, which allows remote attackers to conduct a timing side-channel attack by measuring the delay before inequality is calculated.
CVSS metrics
2 scores · 2 sources · 2 versionsMedium 5.3Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
7.34%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.34% on 19-09-2026
19-09-202619-10-2026
EPSS score7.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-208Observable Timing DiscrepancyTwo separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.
Affected systems
Wordpress2 products
- wordpress< 3.7 (fixed in 3.7.10) | ≥ 3.7, ≤ 3.7.9 (fixed in 3.7.10) | ≥ 3.8, ≤ 3.8.9 (fixed in 3.7.10) | ≥ 3.9, ≤ 3.9.7 (fixed in 3.7.10) | ≥ 4.0, ≤ 4.0.6 (fixed in 3.7.10) | ≥ 4.1, ≤ 4.1.6 (fixed in 3.7.10) | ≥ 4.2, ≤ 4.2.3 (fixed in 3.7.10)
- wordpress≤ 4.2.3
Debian1 product
- wordpress< 4.2.4+dfsg-1
2 vendors · 3 products
References
11 links- wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/X Refsource CONFIRMPatchVendor Advisory
- core.trac.wordpress.org/changeset/33535X Refsource CONFIRM
- wpvulndb.com/vulnerabilities/8130X Refsource MISC
- core.trac.wordpress.org/changeset/33536X Refsource CONFIRM