CVE-2022-42494: WordPress All in One SEO Pro plugin <= 4.2.5.1 - Server Side Request Forgery (SSRF) vulnerability
Modified
Published 08-11-2022Last modified 28-04-2026
Vulnerability summary
CVE-2022-42494 is a medium (CVSS 6.5) Server-Side Request Forgery (SSRF) vulnerability in aioseo all_in_one_seo. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 49.2% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.62%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 08-11-2022PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Server Side Request Forgery (SSRF) vulnerability in All in One SEO Pro plugin <= 4.2.5.1 on WordPress.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NSources3 sources · 3.0–6.5
- CVE.orgCNA3.0LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:NDiffers
- wordfenceSource5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.60% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Aioseo1 product
- all_in_one_seo≤ 4.2.5.1
Semper plugins, llc1 product
- all in one seo pro (wordpress plugin)≥ <= 4.2.5.1, ≤ 4.2.5.1
Wordpress1 product
- all-in-one-seo-pack-pro≤ 4.2.5.1 (fixed in 4.2.6)
3 vendors · 3 products
References
3 links- patchstack.com/database/…Third Party Advisory