CVE-2025-0767: melapress wp_activity_log Deserialization of Untrusted Data
CVSS: 9.8v3.1CriticalAnalyzed
Published 27-02-2025Last modified 27-02-2025
Vulnerability summary
CVE-2025-0767 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in melapress wp_activity_log. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.47%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-02-2025PublishedVulnerability first disclosed.
- 27-02-2025Last modifiedVulnerability information updated.
Description
WP Activity Log 5.3.2 was found to be vulnerable. Unvalidated user input is used directly in an unserialize function in myapp/classes/Writers/class-csv-writer.php.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST6.3MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/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
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.6–9.8
- wordfenceSource6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
+0.01 pp
From 0.46% on 20-09-2026
20-09-202620-10-2026
EPSS score0.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Melapress1 product
- wp_activity_log5.3.2
Wordpress1 product
- wp-security-audit-log≤ 5.3.2 (fixed in 5.3.3)
2 vendors · 2 products
References
3 links- fluidattacks.com/advisories/skims-9/Third Party Advisory